Home / 1,186,677.48-1,780,125.54-387,963.24

Finding the Fourth Proportional to 1,186,677.48, 1,780,125.54 and 387,963.24

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Solution

The fourth proportional to 1,186,677.48, 1,780,125.54 and 387,963.24 is: 581,980.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,677.48 : 1,780,125.54 = 387,963.24 : x
  2. Step 2: Convert to fraction form
    1,186,677.48/1,780,125.54 = 387,963.24/x
  3. Step 3: Cross multiply
    1,186,677.48x = 1,780,125.54 × 387,963.24
  4. Step 4: Simplify right side
    1,186,677.48x = 690,623,272,105.15
  5. Step 5: Solve for x
    x = 690,623,272,105.15/1,186,677.48
  6. Step 6: Final answer
    x = 581,980.60

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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.