Home / 1,087,472.60-1,631,208.90-807,536.60

Finding the Fourth Proportional to 1,087,472.60, 1,631,208.90 and 807,536.60

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Solution

The fourth proportional to 1,087,472.60, 1,631,208.90 and 807,536.60 is: 1,211,304.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,472.60 : 1,631,208.90 = 807,536.60 : x
  2. Step 2: Convert to fraction form
    1,087,472.60/1,631,208.90 = 807,536.60/x
  3. Step 3: Cross multiply
    1,087,472.60x = 1,631,208.90 × 807,536.60
  4. Step 4: Simplify right side
    1,087,472.60x = 1,317,260,888,995.74
  5. Step 5: Solve for x
    x = 1,317,260,888,995.74/1,087,472.60
  6. Step 6: Final answer
    x = 1,211,304.90

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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.