Home / 1,156,457.52-1,596,515.40-721,006.38

Finding the Fourth Proportional to 1,156,457.52, 1,596,515.40 and 721,006.38

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Solution

The fourth proportional to 1,156,457.52, 1,596,515.40 and 721,006.38 is: 995,365.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156,457.52 : 1,596,515.40 = 721,006.38 : x
  2. Step 2: Convert to fraction form
    1,156,457.52/1,596,515.40 = 721,006.38/x
  3. Step 3: Cross multiply
    1,156,457.52x = 1,596,515.40 × 721,006.38
  4. Step 4: Simplify right side
    1,156,457.52x = 1,151,097,789,168.25
  5. Step 5: Solve for x
    x = 1,151,097,789,168.25/1,156,457.52
  6. Step 6: Final answer
    x = 995,365.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.