Home / 753,744.80-1,130,617.20-745,871.60

Finding the Fourth Proportional to 753,744.80, 1,130,617.20 and 745,871.60

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Solution

The fourth proportional to 753,744.80, 1,130,617.20 and 745,871.60 is: 1,118,807.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,744.80 : 1,130,617.20 = 745,871.60 : x
  2. Step 2: Convert to fraction form
    753,744.80/1,130,617.20 = 745,871.60/x
  3. Step 3: Cross multiply
    753,744.80x = 1,130,617.20 × 745,871.60
  4. Step 4: Simplify right side
    753,744.80x = 843,295,259,951.52
  5. Step 5: Solve for x
    x = 843,295,259,951.52/753,744.80
  6. Step 6: Final answer
    x = 1,118,807.40

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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.