Home / 1,438,833.92-1,985,282.88-834,897.92

Finding the Fourth Proportional to 1,438,833.92, 1,985,282.88 and 834,897.92

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Solution

The fourth proportional to 1,438,833.92, 1,985,282.88 and 834,897.92 is: 1,151,980.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,833.92 : 1,985,282.88 = 834,897.92 : x
  2. Step 2: Convert to fraction form
    1,438,833.92/1,985,282.88 = 834,897.92/x
  3. Step 3: Cross multiply
    1,438,833.92x = 1,985,282.88 × 834,897.92
  4. Step 4: Simplify right side
    1,438,833.92x = 1,657,508,547,123.61
  5. Step 5: Solve for x
    x = 1,657,508,547,123.61/1,438,833.92
  6. Step 6: Final answer
    x = 1,151,980.45

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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.