Home / 1,018,303.75-1,527,455.61-260,146.89

Finding the Fourth Proportional to 1,018,303.75, 1,527,455.61 and 260,146.89

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Solution

The fourth proportional to 1,018,303.75, 1,527,455.61 and 260,146.89 is: 390,220.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,303.75 : 1,527,455.61 = 260,146.89 : x
  2. Step 2: Convert to fraction form
    1,018,303.75/1,527,455.61 = 260,146.89/x
  3. Step 3: Cross multiply
    1,018,303.75x = 1,527,455.61 × 260,146.89
  4. Step 4: Simplify right side
    1,018,303.75x = 397,362,826,554.55
  5. Step 5: Solve for x
    x = 397,362,826,554.55/1,018,303.75
  6. Step 6: Final answer
    x = 390,220.33

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.