Home / 1,127,076.22-1,687,809.95-788,531.86

Finding the Fourth Proportional to 1,127,076.22, 1,687,809.95 and 788,531.86

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Solution

The fourth proportional to 1,127,076.22, 1,687,809.95 and 788,531.86 is: 1,180,835.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,076.22 : 1,687,809.95 = 788,531.86 : x
  2. Step 2: Convert to fraction form
    1,127,076.22/1,687,809.95 = 788,531.86/x
  3. Step 3: Cross multiply
    1,127,076.22x = 1,687,809.95 × 788,531.86
  4. Step 4: Simplify right side
    1,127,076.22x = 1,330,891,906,818.30
  5. Step 5: Solve for x
    x = 1,330,891,906,818.30/1,127,076.22
  6. Step 6: Final answer
    x = 1,180,835.77

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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.