Home / 1,272,920.48-1,756,624-749,934.72

Finding the Fourth Proportional to 1,272,920.48, 1,756,624 and 749,934.72

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Solution

The fourth proportional to 1,272,920.48, 1,756,624 and 749,934.72 is: 1,034,906.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,920.48 : 1,756,624 = 749,934.72 : x
  2. Step 2: Convert to fraction form
    1,272,920.48/1,756,624 = 749,934.72/x
  3. Step 3: Cross multiply
    1,272,920.48x = 1,756,624 × 749,934.72
  4. Step 4: Simplify right side
    1,272,920.48x = 1,317,353,327,585.28
  5. Step 5: Solve for x
    x = 1,317,353,327,585.28/1,272,920.48
  6. Step 6: Final answer
    x = 1,034,906.22

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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.