Home / 1,276,278.80-1,914,418.20-898,365.20

Finding the Fourth Proportional to 1,276,278.80, 1,914,418.20 and 898,365.20

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Solution

The fourth proportional to 1,276,278.80, 1,914,418.20 and 898,365.20 is: 1,347,547.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,278.80 : 1,914,418.20 = 898,365.20 : x
  2. Step 2: Convert to fraction form
    1,276,278.80/1,914,418.20 = 898,365.20/x
  3. Step 3: Cross multiply
    1,276,278.80x = 1,914,418.20 × 898,365.20
  4. Step 4: Simplify right side
    1,276,278.80x = 1,719,846,689,126.64
  5. Step 5: Solve for x
    x = 1,719,846,689,126.64/1,276,278.80
  6. Step 6: Final answer
    x = 1,347,547.80

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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.