Home / 971,666.46-1,340,205.66-842,373.90

Finding the Fourth Proportional to 971,666.46, 1,340,205.66 and 842,373.90

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Solution

The fourth proportional to 971,666.46, 1,340,205.66 and 842,373.90 is: 1,161,874.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,666.46 : 1,340,205.66 = 842,373.90 : x
  2. Step 2: Convert to fraction form
    971,666.46/1,340,205.66 = 842,373.90/x
  3. Step 3: Cross multiply
    971,666.46x = 1,340,205.66 × 842,373.90
  4. Step 4: Simplify right side
    971,666.46x = 1,128,954,268,616.27
  5. Step 5: Solve for x
    x = 1,128,954,268,616.27/971,666.46
  6. Step 6: Final answer
    x = 1,161,874.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.