Home / 1,506,456.34-2,078,902.65-818,123.38

Finding the Fourth Proportional to 1,506,456.34, 2,078,902.65 and 818,123.38

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Solution

The fourth proportional to 1,506,456.34, 2,078,902.65 and 818,123.38 is: 1,129,006.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,506,456.34 : 2,078,902.65 = 818,123.38 : x
  2. Step 2: Convert to fraction form
    1,506,456.34/2,078,902.65 = 818,123.38/x
  3. Step 3: Cross multiply
    1,506,456.34x = 2,078,902.65 × 818,123.38
  4. Step 4: Simplify right side
    1,506,456.34x = 1,700,798,862,708.96
  5. Step 5: Solve for x
    x = 1,700,798,862,708.96/1,506,456.34
  6. Step 6: Final answer
    x = 1,129,006.41

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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.