Home / 765,601.20-1,056,519.27-426,069.45

Finding the Fourth Proportional to 765,601.20, 1,056,519.27 and 426,069.45

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Solution

The fourth proportional to 765,601.20, 1,056,519.27 and 426,069.45 is: 587,970.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,601.20 : 1,056,519.27 = 426,069.45 : x
  2. Step 2: Convert to fraction form
    765,601.20/1,056,519.27 = 426,069.45/x
  3. Step 3: Cross multiply
    765,601.20x = 1,056,519.27 × 426,069.45
  4. Step 4: Simplify right side
    765,601.20x = 450,150,584,283.30
  5. Step 5: Solve for x
    x = 450,150,584,283.30/765,601.20
  6. Step 6: Final answer
    x = 587,970.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.