Home / 1,217,473.50-1,680,119.19-680,929.50

Finding the Fourth Proportional to 1,217,473.50, 1,680,119.19 and 680,929.50

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Solution

The fourth proportional to 1,217,473.50, 1,680,119.19 and 680,929.50 is: 939,685.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,473.50 : 1,680,119.19 = 680,929.50 : x
  2. Step 2: Convert to fraction form
    1,217,473.50/1,680,119.19 = 680,929.50/x
  3. Step 3: Cross multiply
    1,217,473.50x = 1,680,119.19 × 680,929.50
  4. Step 4: Simplify right side
    1,217,473.50x = 1,144,042,719,987.11
  5. Step 5: Solve for x
    x = 1,144,042,719,987.11/1,217,473.50
  6. Step 6: Final answer
    x = 939,685.93

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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.