Home / 1,011,513.04-1,517,488.08-538,129.60

Finding the Fourth Proportional to 1,011,513.04, 1,517,488.08 and 538,129.60

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Solution

The fourth proportional to 1,011,513.04, 1,517,488.08 and 538,129.60 is: 807,310.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,513.04 : 1,517,488.08 = 538,129.60 : x
  2. Step 2: Convert to fraction form
    1,011,513.04/1,517,488.08 = 538,129.60/x
  3. Step 3: Cross multiply
    1,011,513.04x = 1,517,488.08 × 538,129.60
  4. Step 4: Simplify right side
    1,011,513.04x = 816,605,253,495.17
  5. Step 5: Solve for x
    x = 816,605,253,495.17/1,011,513.04
  6. Step 6: Final answer
    x = 807,310.65

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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.