Home / 1,381,469.19-2,070,463.29-740,182.47

Finding the Fourth Proportional to 1,381,469.19, 2,070,463.29 and 740,182.47

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Solution

The fourth proportional to 1,381,469.19, 2,070,463.29 and 740,182.47 is: 1,109,341.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,469.19 : 2,070,463.29 = 740,182.47 : x
  2. Step 2: Convert to fraction form
    1,381,469.19/2,070,463.29 = 740,182.47/x
  3. Step 3: Cross multiply
    1,381,469.19x = 2,070,463.29 × 740,182.47
  4. Step 4: Simplify right side
    1,381,469.19x = 1,532,520,632,036.53
  5. Step 5: Solve for x
    x = 1,532,520,632,036.53/1,381,469.19
  6. Step 6: Final answer
    x = 1,109,341.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.