Home / 1,249,239.60-1,723,951.18-676,279.76

Finding the Fourth Proportional to 1,249,239.60, 1,723,951.18 and 676,279.76

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Solution

The fourth proportional to 1,249,239.60, 1,723,951.18 and 676,279.76 is: 933,266.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,239.60 : 1,723,951.18 = 676,279.76 : x
  2. Step 2: Convert to fraction form
    1,249,239.60/1,723,951.18 = 676,279.76/x
  3. Step 3: Cross multiply
    1,249,239.60x = 1,723,951.18 × 676,279.76
  4. Step 4: Simplify right side
    1,249,239.60x = 1,165,873,290,262.12
  5. Step 5: Solve for x
    x = 1,165,873,290,262.12/1,249,239.60
  6. Step 6: Final answer
    x = 933,266.36

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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.