Home / 1,385,513.80-2,077,233.90-755,139.40

Finding the Fourth Proportional to 1,385,513.80, 2,077,233.90 and 755,139.40

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Solution

The fourth proportional to 1,385,513.80, 2,077,233.90 and 755,139.40 is: 1,132,144.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,513.80 : 2,077,233.90 = 755,139.40 : x
  2. Step 2: Convert to fraction form
    1,385,513.80/2,077,233.90 = 755,139.40/x
  3. Step 3: Cross multiply
    1,385,513.80x = 2,077,233.90 × 755,139.40
  4. Step 4: Simplify right side
    1,385,513.80x = 1,568,601,160,905.66
  5. Step 5: Solve for x
    x = 1,568,601,160,905.66/1,385,513.80
  6. Step 6: Final answer
    x = 1,132,144.02

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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.