Home / 1,146,278.48-1,581,791.76-636,950.48

Finding the Fourth Proportional to 1,146,278.48, 1,581,791.76 and 636,950.48

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Solution

The fourth proportional to 1,146,278.48, 1,581,791.76 and 636,950.48 is: 878,951.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,278.48 : 1,581,791.76 = 636,950.48 : x
  2. Step 2: Convert to fraction form
    1,146,278.48/1,581,791.76 = 636,950.48/x
  3. Step 3: Cross multiply
    1,146,278.48x = 1,581,791.76 × 636,950.48
  4. Step 4: Simplify right side
    1,146,278.48x = 1,007,523,020,792.04
  5. Step 5: Solve for x
    x = 1,007,523,020,792.04/1,146,278.48
  6. Step 6: Final answer
    x = 878,951.35

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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.