Home / 818,033.90-1,126,383.10-815,671.94

Finding the Fourth Proportional to 818,033.90, 1,126,383.10 and 815,671.94

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Solution

The fourth proportional to 818,033.90, 1,126,383.10 and 815,671.94 is: 1,123,130.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,033.90 : 1,126,383.10 = 815,671.94 : x
  2. Step 2: Convert to fraction form
    818,033.90/1,126,383.10 = 815,671.94/x
  3. Step 3: Cross multiply
    818,033.90x = 1,126,383.10 × 815,671.94
  4. Step 4: Simplify right side
    818,033.90x = 918,759,080,689.12
  5. Step 5: Solve for x
    x = 918,759,080,689.12/818,033.90
  6. Step 6: Final answer
    x = 1,123,130.82

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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.