Home / 1,439,305.20-2,158,957.80-730,717.20

Finding the Fourth Proportional to 1,439,305.20, 2,158,957.80 and 730,717.20

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Solution

The fourth proportional to 1,439,305.20, 2,158,957.80 and 730,717.20 is: 1,096,075.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,305.20 : 2,158,957.80 = 730,717.20 : x
  2. Step 2: Convert to fraction form
    1,439,305.20/2,158,957.80 = 730,717.20/x
  3. Step 3: Cross multiply
    1,439,305.20x = 2,158,957.80 × 730,717.20
  4. Step 4: Simplify right side
    1,439,305.20x = 1,577,587,598,534.16
  5. Step 5: Solve for x
    x = 1,577,587,598,534.16/1,439,305.20
  6. Step 6: Final answer
    x = 1,096,075.80

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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.