Home / 1,018,303.38-1,527,455.04-260,146.50

Finding the Fourth Proportional to 1,018,303.38, 1,527,455.04 and 260,146.50

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Solution

The fourth proportional to 1,018,303.38, 1,527,455.04 and 260,146.50 is: 390,219.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,303.38 : 1,527,455.04 = 260,146.50 : x
  2. Step 2: Convert to fraction form
    1,018,303.38/1,527,455.04 = 260,146.50/x
  3. Step 3: Cross multiply
    1,018,303.38x = 1,527,455.04 × 260,146.50
  4. Step 4: Simplify right side
    1,018,303.38x = 397,362,082,563.36
  5. Step 5: Solve for x
    x = 397,362,082,563.36/1,018,303.38
  6. Step 6: Final answer
    x = 390,219.74

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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.