Home / 1,217,833.47-1,680,613.38-674,006.76

Finding the Fourth Proportional to 1,217,833.47, 1,680,613.38 and 674,006.76

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Solution

The fourth proportional to 1,217,833.47, 1,680,613.38 and 674,006.76 is: 930,131.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,833.47 : 1,680,613.38 = 674,006.76 : x
  2. Step 2: Convert to fraction form
    1,217,833.47/1,680,613.38 = 674,006.76/x
  3. Step 3: Cross multiply
    1,217,833.47x = 1,680,613.38 × 674,006.76
  4. Step 4: Simplify right side
    1,217,833.47x = 1,132,744,779,066.45
  5. Step 5: Solve for x
    x = 1,132,744,779,066.45/1,217,833.47
  6. Step 6: Final answer
    x = 930,131.10

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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.