Home / 1,006,902.99-1,510,404.27-287,350.75

Finding the Fourth Proportional to 1,006,902.99, 1,510,404.27 and 287,350.75

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Solution

The fourth proportional to 1,006,902.99, 1,510,404.27 and 287,350.75 is: 431,040.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,902.99 : 1,510,404.27 = 287,350.75 : x
  2. Step 2: Convert to fraction form
    1,006,902.99/1,510,404.27 = 287,350.75/x
  3. Step 3: Cross multiply
    1,006,902.99x = 1,510,404.27 × 287,350.75
  4. Step 4: Simplify right side
    1,006,902.99x = 434,015,799,787.70
  5. Step 5: Solve for x
    x = 434,015,799,787.70/1,006,902.99
  6. Step 6: Final answer
    x = 431,040.33

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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.