Home / 1,258,172.28-1,736,326.90-714,358.73

Finding the Fourth Proportional to 1,258,172.28, 1,736,326.90 and 714,358.73

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Solution

The fourth proportional to 1,258,172.28, 1,736,326.90 and 714,358.73 is: 985,842.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,172.28 : 1,736,326.90 = 714,358.73 : x
  2. Step 2: Convert to fraction form
    1,258,172.28/1,736,326.90 = 714,358.73/x
  3. Step 3: Cross multiply
    1,258,172.28x = 1,736,326.90 × 714,358.73
  4. Step 4: Simplify right side
    1,258,172.28x = 1,240,360,279,148.84
  5. Step 5: Solve for x
    x = 1,240,360,279,148.84/1,258,172.28
  6. Step 6: Final answer
    x = 985,842.96

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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.