Home / 1,381,471.19-2,070,466.29-740,184.47

Finding the Fourth Proportional to 1,381,471.19, 2,070,466.29 and 740,184.47

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Solution

The fourth proportional to 1,381,471.19, 2,070,466.29 and 740,184.47 is: 1,109,344.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,471.19 : 2,070,466.29 = 740,184.47 : x
  2. Step 2: Convert to fraction form
    1,381,471.19/2,070,466.29 = 740,184.47/x
  3. Step 3: Cross multiply
    1,381,471.19x = 2,070,466.29 × 740,184.47
  4. Step 4: Simplify right side
    1,381,471.19x = 1,532,526,993,516.52
  5. Step 5: Solve for x
    x = 1,532,526,993,516.52/1,381,471.19
  6. Step 6: Final answer
    x = 1,109,344.16

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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.