Home / 1,177,839.70-1,766,549.32-313,279.52

Finding the Fourth Proportional to 1,177,839.70, 1,766,549.32 and 313,279.52

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Solution

The fourth proportional to 1,177,839.70, 1,766,549.32 and 313,279.52 is: 469,863.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,839.70 : 1,766,549.32 = 313,279.52 : x
  2. Step 2: Convert to fraction form
    1,177,839.70/1,766,549.32 = 313,279.52/x
  3. Step 3: Cross multiply
    1,177,839.70x = 1,766,549.32 × 313,279.52
  4. Step 4: Simplify right side
    1,177,839.70x = 553,423,713,409.98
  5. Step 5: Solve for x
    x = 553,423,713,409.98/1,177,839.70
  6. Step 6: Final answer
    x = 469,863.36

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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.