Home / 1,153,279.17-1,729,270.86-478,906.80

Finding the Fourth Proportional to 1,153,279.17, 1,729,270.86 and 478,906.80

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Solution

The fourth proportional to 1,153,279.17, 1,729,270.86 and 478,906.80 is: 718,091.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153,279.17 : 1,729,270.86 = 478,906.80 : x
  2. Step 2: Convert to fraction form
    1,153,279.17/1,729,270.86 = 478,906.80/x
  3. Step 3: Cross multiply
    1,153,279.17x = 1,729,270.86 × 478,906.80
  4. Step 4: Simplify right side
    1,153,279.17x = 828,159,573,895.85
  5. Step 5: Solve for x
    x = 828,159,573,895.85/1,153,279.17
  6. Step 6: Final answer
    x = 718,091.16

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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.