Home / 1,454,287.80-2,181,541.05-389,306.28

Finding the Fourth Proportional to 1,454,287.80, 2,181,541.05 and 389,306.28

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Solution

The fourth proportional to 1,454,287.80, 2,181,541.05 and 389,306.28 is: 583,988.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,454,287.80 : 2,181,541.05 = 389,306.28 : x
  2. Step 2: Convert to fraction form
    1,454,287.80/2,181,541.05 = 389,306.28/x
  3. Step 3: Cross multiply
    1,454,287.80x = 2,181,541.05 × 389,306.28
  4. Step 4: Simplify right side
    1,454,287.80x = 849,287,630,842.79
  5. Step 5: Solve for x
    x = 849,287,630,842.79/1,454,287.80
  6. Step 6: Final answer
    x = 583,988.69

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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.