Home / 867,681.20-1,304,632.20-730,823.60

Finding the Fourth Proportional to 867,681.20, 1,304,632.20 and 730,823.60

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Solution

The fourth proportional to 867,681.20, 1,304,632.20 and 730,823.60 is: 1,098,855.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,681.20 : 1,304,632.20 = 730,823.60 : x
  2. Step 2: Convert to fraction form
    867,681.20/1,304,632.20 = 730,823.60/x
  3. Step 3: Cross multiply
    867,681.20x = 1,304,632.20 × 730,823.60
  4. Step 4: Simplify right side
    867,681.20x = 953,456,001,079.92
  5. Step 5: Solve for x
    x = 953,456,001,079.92/867,681.20
  6. Step 6: Final answer
    x = 1,098,855.20

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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.