Home / 1,271,722.16-1,754,542.40-788,110.86

Finding the Fourth Proportional to 1,271,722.16, 1,754,542.40 and 788,110.86

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Solution

The fourth proportional to 1,271,722.16, 1,754,542.40 and 788,110.86 is: 1,087,323.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,722.16 : 1,754,542.40 = 788,110.86 : x
  2. Step 2: Convert to fraction form
    1,271,722.16/1,754,542.40 = 788,110.86/x
  3. Step 3: Cross multiply
    1,271,722.16x = 1,754,542.40 × 788,110.86
  4. Step 4: Simplify right side
    1,271,722.16x = 1,382,773,919,770.46
  5. Step 5: Solve for x
    x = 1,382,773,919,770.46/1,271,722.16
  6. Step 6: Final answer
    x = 1,087,323.92

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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.