Home / 1,105,320.80-1,654,044.60-766,773.20

Finding the Fourth Proportional to 1,105,320.80, 1,654,044.60 and 766,773.20

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Solution

The fourth proportional to 1,105,320.80, 1,654,044.60 and 766,773.20 is: 1,147,428.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,320.80 : 1,654,044.60 = 766,773.20 : x
  2. Step 2: Convert to fraction form
    1,105,320.80/1,654,044.60 = 766,773.20/x
  3. Step 3: Cross multiply
    1,105,320.80x = 1,654,044.60 × 766,773.20
  4. Step 4: Simplify right side
    1,105,320.80x = 1,268,277,070,884.72
  5. Step 5: Solve for x
    x = 1,268,277,070,884.72/1,105,320.80
  6. Step 6: Final answer
    x = 1,147,428.94

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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.