Home / 745,501.20-1,118,251.80-695,309.55

Finding the Fourth Proportional to 745,501.20, 1,118,251.80 and 695,309.55

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Solution

The fourth proportional to 745,501.20, 1,118,251.80 and 695,309.55 is: 1,042,964.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,501.20 : 1,118,251.80 = 695,309.55 : x
  2. Step 2: Convert to fraction form
    745,501.20/1,118,251.80 = 695,309.55/x
  3. Step 3: Cross multiply
    745,501.20x = 1,118,251.80 × 695,309.55
  4. Step 4: Simplify right side
    745,501.20x = 777,531,155,844.69
  5. Step 5: Solve for x
    x = 777,531,155,844.69/745,501.20
  6. Step 6: Final answer
    x = 1,042,964.33

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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.