Home / 1,077,427.80-1,617,891.30-724,008.60

Finding the Fourth Proportional to 1,077,427.80, 1,617,891.30 and 724,008.60

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Solution

The fourth proportional to 1,077,427.80, 1,617,891.30 and 724,008.60 is: 1,087,188.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,427.80 : 1,617,891.30 = 724,008.60 : x
  2. Step 2: Convert to fraction form
    1,077,427.80/1,617,891.30 = 724,008.60/x
  3. Step 3: Cross multiply
    1,077,427.80x = 1,617,891.30 × 724,008.60
  4. Step 4: Simplify right side
    1,077,427.80x = 1,171,367,215,065.18
  5. Step 5: Solve for x
    x = 1,171,367,215,065.18/1,077,427.80
  6. Step 6: Final answer
    x = 1,087,188.59

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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.