Home / 1,006,915.74-1,510,423.36-287,363.48

Finding the Fourth Proportional to 1,006,915.74, 1,510,423.36 and 287,363.48

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Solution

The fourth proportional to 1,006,915.74, 1,510,423.36 and 287,363.48 is: 431,059.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,915.74 : 1,510,423.36 = 287,363.48 : x
  2. Step 2: Convert to fraction form
    1,006,915.74/1,510,423.36 = 287,363.48/x
  3. Step 3: Cross multiply
    1,006,915.74x = 1,510,423.36 × 287,363.48
  4. Step 4: Simplify right side
    1,006,915.74x = 434,040,513,002.89
  5. Step 5: Solve for x
    x = 434,040,513,002.89/1,006,915.74
  6. Step 6: Final answer
    x = 431,059.42

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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.