Home / 1,123,110.60-1,685,249.10-492,088.20

Finding the Fourth Proportional to 1,123,110.60, 1,685,249.10 and 492,088.20

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Solution

The fourth proportional to 1,123,110.60, 1,685,249.10 and 492,088.20 is: 738,387.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,110.60 : 1,685,249.10 = 492,088.20 : x
  2. Step 2: Convert to fraction form
    1,123,110.60/1,685,249.10 = 492,088.20/x
  3. Step 3: Cross multiply
    1,123,110.60x = 1,685,249.10 × 492,088.20
  4. Step 4: Simplify right side
    1,123,110.60x = 829,291,196,170.62
  5. Step 5: Solve for x
    x = 829,291,196,170.62/1,123,110.60
  6. Step 6: Final answer
    x = 738,387.83

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1.5x scale

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.