Home / 1,018,362.15-1,527,543-260,205.05

Finding the Fourth Proportional to 1,018,362.15, 1,527,543 and 260,205.05

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Solution

The fourth proportional to 1,018,362.15, 1,527,543 and 260,205.05 is: 390,307.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,362.15 : 1,527,543 = 260,205.05 : x
  2. Step 2: Convert to fraction form
    1,018,362.15/1,527,543 = 260,205.05/x
  3. Step 3: Cross multiply
    1,018,362.15x = 1,527,543 × 260,205.05
  4. Step 4: Simplify right side
    1,018,362.15x = 397,474,395,054.44
  5. Step 5: Solve for x
    x = 397,474,395,054.44/1,018,362.15
  6. Step 6: Final answer
    x = 390,307.51

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Double scale
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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.