Home / 1,231,810.38-1,699,946.76-708,520.02

Finding the Fourth Proportional to 1,231,810.38, 1,699,946.76 and 708,520.02

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Solution

The fourth proportional to 1,231,810.38, 1,699,946.76 and 708,520.02 is: 977,785.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,810.38 : 1,699,946.76 = 708,520.02 : x
  2. Step 2: Convert to fraction form
    1,231,810.38/1,699,946.76 = 708,520.02/x
  3. Step 3: Cross multiply
    1,231,810.38x = 1,699,946.76 × 708,520.02
  4. Step 4: Simplify right side
    1,231,810.38x = 1,204,446,312,394.14
  5. Step 5: Solve for x
    x = 1,204,446,312,394.14/1,231,810.38
  6. Step 6: Final answer
    x = 977,785.49

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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.