Home / 1,186,676.48-1,780,124.04-387,962.24

Finding the Fourth Proportional to 1,186,676.48, 1,780,124.04 and 387,962.24

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Solution

The fourth proportional to 1,186,676.48, 1,780,124.04 and 387,962.24 is: 581,979.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,676.48 : 1,780,124.04 = 387,962.24 : x
  2. Step 2: Convert to fraction form
    1,186,676.48/1,780,124.04 = 387,962.24/x
  3. Step 3: Cross multiply
    1,186,676.48x = 1,780,124.04 × 387,962.24
  4. Step 4: Simplify right side
    1,186,676.48x = 690,620,910,036.25
  5. Step 5: Solve for x
    x = 690,620,910,036.25/1,186,676.48
  6. Step 6: Final answer
    x = 581,979.10

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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.