Home / 1,538,082.55-2,122,489.68-884,658.89

Finding the Fourth Proportional to 1,538,082.55, 2,122,489.68 and 884,658.89

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Solution

The fourth proportional to 1,538,082.55, 2,122,489.68 and 884,658.89 is: 1,220,792.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,082.55 : 2,122,489.68 = 884,658.89 : x
  2. Step 2: Convert to fraction form
    1,538,082.55/2,122,489.68 = 884,658.89/x
  3. Step 3: Cross multiply
    1,538,082.55x = 2,122,489.68 × 884,658.89
  4. Step 4: Simplify right side
    1,538,082.55x = 1,877,679,364,345.26
  5. Step 5: Solve for x
    x = 1,877,679,364,345.26/1,538,082.55
  6. Step 6: Final answer
    x = 1,220,792.32

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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.