Home / 1,543,295.70-2,314,943.55-478,445.40

Finding the Fourth Proportional to 1,543,295.70, 2,314,943.55 and 478,445.40

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Solution

The fourth proportional to 1,543,295.70, 2,314,943.55 and 478,445.40 is: 717,668.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,295.70 : 2,314,943.55 = 478,445.40 : x
  2. Step 2: Convert to fraction form
    1,543,295.70/2,314,943.55 = 478,445.40/x
  3. Step 3: Cross multiply
    1,543,295.70x = 2,314,943.55 × 478,445.40
  4. Step 4: Simplify right side
    1,543,295.70x = 1,107,574,092,757.17
  5. Step 5: Solve for x
    x = 1,107,574,092,757.17/1,543,295.70
  6. Step 6: Final answer
    x = 717,668.10

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Similar ratio
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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.