Home / 1,280,034.17-1,766,500.79-736,170.33

Finding the Fourth Proportional to 1,280,034.17, 1,766,500.79 and 736,170.33

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Solution

The fourth proportional to 1,280,034.17, 1,766,500.79 and 736,170.33 is: 1,015,945.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,034.17 : 1,766,500.79 = 736,170.33 : x
  2. Step 2: Convert to fraction form
    1,280,034.17/1,766,500.79 = 736,170.33/x
  3. Step 3: Cross multiply
    1,280,034.17x = 1,766,500.79 × 736,170.33
  4. Step 4: Simplify right side
    1,280,034.17x = 1,300,445,461,699.19
  5. Step 5: Solve for x
    x = 1,300,445,461,699.19/1,280,034.17
  6. Step 6: Final answer
    x = 1,015,945.90

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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.