Home / 1,543,472.22-2,315,295.72-478,665.66

Finding the Fourth Proportional to 1,543,472.22, 2,315,295.72 and 478,665.66

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Solution

The fourth proportional to 1,543,472.22, 2,315,295.72 and 478,665.66 is: 718,025.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,472.22 : 2,315,295.72 = 478,665.66 : x
  2. Step 2: Convert to fraction form
    1,543,472.22/2,315,295.72 = 478,665.66/x
  3. Step 3: Cross multiply
    1,543,472.22x = 2,315,295.72 × 478,665.66
  4. Step 4: Simplify right side
    1,543,472.22x = 1,108,252,553,908.98
  5. Step 5: Solve for x
    x = 1,108,252,553,908.98/1,543,472.22
  6. Step 6: Final answer
    x = 718,025.59

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Double scale
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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.