Home / 1,038,694.70-1,558,042.05-478,822.70

Finding the Fourth Proportional to 1,038,694.70, 1,558,042.05 and 478,822.70

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Solution

The fourth proportional to 1,038,694.70, 1,558,042.05 and 478,822.70 is: 718,234.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,694.70 : 1,558,042.05 = 478,822.70 : x
  2. Step 2: Convert to fraction form
    1,038,694.70/1,558,042.05 = 478,822.70/x
  3. Step 3: Cross multiply
    1,038,694.70x = 1,558,042.05 × 478,822.70
  4. Step 4: Simplify right side
    1,038,694.70x = 746,025,901,094.54
  5. Step 5: Solve for x
    x = 746,025,901,094.54/1,038,694.70
  6. Step 6: Final answer
    x = 718,234.05

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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.