Home / 1,065,723.80-1,600,335.30-712,304.60

Finding the Fourth Proportional to 1,065,723.80, 1,600,335.30 and 712,304.60

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Solution

The fourth proportional to 1,065,723.80, 1,600,335.30 and 712,304.60 is: 1,069,626.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,723.80 : 1,600,335.30 = 712,304.60 : x
  2. Step 2: Convert to fraction form
    1,065,723.80/1,600,335.30 = 712,304.60/x
  3. Step 3: Cross multiply
    1,065,723.80x = 1,600,335.30 × 712,304.60
  4. Step 4: Simplify right side
    1,065,723.80x = 1,139,926,195,732.38
  5. Step 5: Solve for x
    x = 1,139,926,195,732.38/1,065,723.80
  6. Step 6: Final answer
    x = 1,069,626.29

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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.