Home / 1,465,985.20-2,197,228.20-755,647.60

Finding the Fourth Proportional to 1,465,985.20, 2,197,228.20 and 755,647.60

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Solution

The fourth proportional to 1,465,985.20, 2,197,228.20 and 755,647.60 is: 1,132,569.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465,985.20 : 2,197,228.20 = 755,647.60 : x
  2. Step 2: Convert to fraction form
    1,465,985.20/2,197,228.20 = 755,647.60/x
  3. Step 3: Cross multiply
    1,465,985.20x = 2,197,228.20 × 755,647.60
  4. Step 4: Simplify right side
    1,465,985.20x = 1,660,330,215,982.32
  5. Step 5: Solve for x
    x = 1,660,330,215,982.32/1,465,985.20
  6. Step 6: Final answer
    x = 1,132,569.56

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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.