Home / 1,264,876.20-1,745,570.80-691,903.26

Finding the Fourth Proportional to 1,264,876.20, 1,745,570.80 and 691,903.26

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Solution

The fourth proportional to 1,264,876.20, 1,745,570.80 and 691,903.26 is: 954,849.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,876.20 : 1,745,570.80 = 691,903.26 : x
  2. Step 2: Convert to fraction form
    1,264,876.20/1,745,570.80 = 691,903.26/x
  3. Step 3: Cross multiply
    1,264,876.20x = 1,745,570.80 × 691,903.26
  4. Step 4: Simplify right side
    1,264,876.20x = 1,207,766,127,080.81
  5. Step 5: Solve for x
    x = 1,207,766,127,080.81/1,264,876.20
  6. Step 6: Final answer
    x = 954,849.28

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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.