Home / 1,129,506.04-1,694,920.02-420,023.80

Finding the Fourth Proportional to 1,129,506.04, 1,694,920.02 and 420,023.80

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Solution

The fourth proportional to 1,129,506.04, 1,694,920.02 and 420,023.80 is: 630,281.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,506.04 : 1,694,920.02 = 420,023.80 : x
  2. Step 2: Convert to fraction form
    1,129,506.04/1,694,920.02 = 420,023.80/x
  3. Step 3: Cross multiply
    1,129,506.04x = 1,694,920.02 × 420,023.80
  4. Step 4: Simplify right side
    1,129,506.04x = 711,906,747,496.48
  5. Step 5: Solve for x
    x = 711,906,747,496.48/1,129,506.04
  6. Step 6: Final answer
    x = 630,281.49

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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.