Home / 1,131,308.10-1,696,962.15-1,007,305.20

Finding the Fourth Proportional to 1,131,308.10, 1,696,962.15 and 1,007,305.20

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Solution

The fourth proportional to 1,131,308.10, 1,696,962.15 and 1,007,305.20 is: 1,510,957.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,308.10 : 1,696,962.15 = 1,007,305.20 : x
  2. Step 2: Convert to fraction form
    1,131,308.10/1,696,962.15 = 1,007,305.20/x
  3. Step 3: Cross multiply
    1,131,308.10x = 1,696,962.15 × 1,007,305.20
  4. Step 4: Simplify right side
    1,131,308.10x = 1,709,358,797,898.18
  5. Step 5: Solve for x
    x = 1,709,358,797,898.18/1,131,308.10
  6. Step 6: Final answer
    x = 1,510,957.80

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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.