Home / 876,639.80-1,314,959.70-719,046.20

Finding the Fourth Proportional to 876,639.80, 1,314,959.70 and 719,046.20

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Solution

The fourth proportional to 876,639.80, 1,314,959.70 and 719,046.20 is: 1,078,569.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,639.80 : 1,314,959.70 = 719,046.20 : x
  2. Step 2: Convert to fraction form
    876,639.80/1,314,959.70 = 719,046.20/x
  3. Step 3: Cross multiply
    876,639.80x = 1,314,959.70 × 719,046.20
  4. Step 4: Simplify right side
    876,639.80x = 945,516,775,438.14
  5. Step 5: Solve for x
    x = 945,516,775,438.14/876,639.80
  6. Step 6: Final answer
    x = 1,078,569.30

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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.