Home / 1,385,319.60-2,074,042.80-1,227,855.60

Finding the Fourth Proportional to 1,385,319.60, 2,074,042.80 and 1,227,855.60

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Solution

The fourth proportional to 1,385,319.60, 2,074,042.80 and 1,227,855.60 is: 1,838,294.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,319.60 : 2,074,042.80 = 1,227,855.60 : x
  2. Step 2: Convert to fraction form
    1,385,319.60/2,074,042.80 = 1,227,855.60/x
  3. Step 3: Cross multiply
    1,385,319.60x = 2,074,042.80 × 1,227,855.60
  4. Step 4: Simplify right side
    1,385,319.60x = 2,546,625,066,619.68
  5. Step 5: Solve for x
    x = 2,546,625,066,619.68/1,385,319.60
  6. Step 6: Final answer
    x = 1,838,294.26

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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.