Home / 1,127,012.64-1,555,268.16-617,713.80

Finding the Fourth Proportional to 1,127,012.64, 1,555,268.16 and 617,713.80

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Solution

The fourth proportional to 1,127,012.64, 1,555,268.16 and 617,713.80 is: 852,439.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,012.64 : 1,555,268.16 = 617,713.80 : x
  2. Step 2: Convert to fraction form
    1,127,012.64/1,555,268.16 = 617,713.80/x
  3. Step 3: Cross multiply
    1,127,012.64x = 1,555,268.16 × 617,713.80
  4. Step 4: Simplify right side
    1,127,012.64x = 960,710,605,132.61
  5. Step 5: Solve for x
    x = 960,710,605,132.61/1,127,012.64
  6. Step 6: Final answer
    x = 852,439.96

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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.