Home / 881,318.36-1,321,569.26-712,423.64

Finding the Fourth Proportional to 881,318.36, 1,321,569.26 and 712,423.64

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Solution

The fourth proportional to 881,318.36, 1,321,569.26 and 712,423.64 is: 1,068,305.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,318.36 : 1,321,569.26 = 712,423.64 : x
  2. Step 2: Convert to fraction form
    881,318.36/1,321,569.26 = 712,423.64/x
  3. Step 3: Cross multiply
    881,318.36x = 1,321,569.26 × 712,423.64
  4. Step 4: Simplify right side
    881,318.36x = 941,517,182,721.31
  5. Step 5: Solve for x
    x = 941,517,182,721.31/881,318.36
  6. Step 6: Final answer
    x = 1,068,305.42

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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.