Home / 1,249,248.78-1,723,963.90-676,288.96

Finding the Fourth Proportional to 1,249,248.78, 1,723,963.90 and 676,288.96

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Solution

The fourth proportional to 1,249,248.78, 1,723,963.90 and 676,288.96 is: 933,279.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,248.78 : 1,723,963.90 = 676,288.96 : x
  2. Step 2: Convert to fraction form
    1,249,248.78/1,723,963.90 = 676,288.96/x
  3. Step 3: Cross multiply
    1,249,248.78x = 1,723,963.90 × 676,288.96
  4. Step 4: Simplify right side
    1,249,248.78x = 1,165,897,753,008.54
  5. Step 5: Solve for x
    x = 1,165,897,753,008.54/1,249,248.78
  6. Step 6: Final answer
    x = 933,279.08

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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.