Home / 971,701.60-1,338,190.32-834,740.32

Finding the Fourth Proportional to 971,701.60, 1,338,190.32 and 834,740.32

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Solution

The fourth proportional to 971,701.60, 1,338,190.32 and 834,740.32 is: 1,149,572.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,701.60 : 1,338,190.32 = 834,740.32 : x
  2. Step 2: Convert to fraction form
    971,701.60/1,338,190.32 = 834,740.32/x
  3. Step 3: Cross multiply
    971,701.60x = 1,338,190.32 × 834,740.32
  4. Step 4: Simplify right side
    971,701.60x = 1,117,041,415,937.70
  5. Step 5: Solve for x
    x = 1,117,041,415,937.70/971,701.60
  6. Step 6: Final answer
    x = 1,149,572.48

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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.