Home / 1,288,017.60-1,932,033.05-755,164.95

Finding the Fourth Proportional to 1,288,017.60, 1,932,033.05 and 755,164.95

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Solution

The fourth proportional to 1,288,017.60, 1,932,033.05 and 755,164.95 is: 1,132,751.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,017.60 : 1,932,033.05 = 755,164.95 : x
  2. Step 2: Convert to fraction form
    1,288,017.60/1,932,033.05 = 755,164.95/x
  3. Step 3: Cross multiply
    1,288,017.60x = 1,932,033.05 × 755,164.95
  4. Step 4: Simplify right side
    1,288,017.60x = 1,459,003,641,601.60
  5. Step 5: Solve for x
    x = 1,459,003,641,601.60/1,288,017.60
  6. Step 6: Final answer
    x = 1,132,751.32

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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.