Home / 1,238,470.60-1,857,705.90-1,170,041.80

Finding the Fourth Proportional to 1,238,470.60, 1,857,705.90 and 1,170,041.80

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Solution

The fourth proportional to 1,238,470.60, 1,857,705.90 and 1,170,041.80 is: 1,755,062.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,470.60 : 1,857,705.90 = 1,170,041.80 : x
  2. Step 2: Convert to fraction form
    1,238,470.60/1,857,705.90 = 1,170,041.80/x
  3. Step 3: Cross multiply
    1,238,470.60x = 1,857,705.90 × 1,170,041.80
  4. Step 4: Simplify right side
    1,238,470.60x = 2,173,593,555,106.62
  5. Step 5: Solve for x
    x = 2,173,593,555,106.62/1,238,470.60
  6. Step 6: Final answer
    x = 1,755,062.70

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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.