Home / 1,127,839.44-1,691,920-369,518.80

Finding the Fourth Proportional to 1,127,839.44, 1,691,920 and 369,518.80

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Solution

The fourth proportional to 1,127,839.44, 1,691,920 and 369,518.80 is: 554,330.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,839.44 : 1,691,920 = 369,518.80 : x
  2. Step 2: Convert to fraction form
    1,127,839.44/1,691,920 = 369,518.80/x
  3. Step 3: Cross multiply
    1,127,839.44x = 1,691,920 × 369,518.80
  4. Step 4: Simplify right side
    1,127,839.44x = 625,196,248,096
  5. Step 5: Solve for x
    x = 625,196,248,096/1,127,839.44
  6. Step 6: Final answer
    x = 554,330.90

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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.