Home / 745,718.40-1,118,577.60-724,982.40

Finding the Fourth Proportional to 745,718.40, 1,118,577.60 and 724,982.40

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Solution

The fourth proportional to 745,718.40, 1,118,577.60 and 724,982.40 is: 1,087,473.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,718.40 : 1,118,577.60 = 724,982.40 : x
  2. Step 2: Convert to fraction form
    745,718.40/1,118,577.60 = 724,982.40/x
  3. Step 3: Cross multiply
    745,718.40x = 1,118,577.60 × 724,982.40
  4. Step 4: Simplify right side
    745,718.40x = 810,949,073,034.24
  5. Step 5: Solve for x
    x = 810,949,073,034.24/745,718.40
  6. Step 6: Final answer
    x = 1,087,473.60

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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.