Home / 1,000,673.80-1,380,928.02-541,788.31

Finding the Fourth Proportional to 1,000,673.80, 1,380,928.02 and 541,788.31

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Solution

The fourth proportional to 1,000,673.80, 1,380,928.02 and 541,788.31 is: 747,666.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,673.80 : 1,380,928.02 = 541,788.31 : x
  2. Step 2: Convert to fraction form
    1,000,673.80/1,380,928.02 = 541,788.31/x
  3. Step 3: Cross multiply
    1,000,673.80x = 1,380,928.02 × 541,788.31
  4. Step 4: Simplify right side
    1,000,673.80x = 748,170,657,881.90
  5. Step 5: Solve for x
    x = 748,170,657,881.90/1,000,673.80
  6. Step 6: Final answer
    x = 747,666.88

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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.