Home / 1,262,695.20-1,742,087.16-718,694.88

Finding the Fourth Proportional to 1,262,695.20, 1,742,087.16 and 718,694.88

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Solution

The fourth proportional to 1,262,695.20, 1,742,087.16 and 718,694.88 is: 991,552.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,695.20 : 1,742,087.16 = 718,694.88 : x
  2. Step 2: Convert to fraction form
    1,262,695.20/1,742,087.16 = 718,694.88/x
  3. Step 3: Cross multiply
    1,262,695.20x = 1,742,087.16 × 718,694.88
  4. Step 4: Simplify right side
    1,262,695.20x = 1,252,029,122,405.74
  5. Step 5: Solve for x
    x = 1,252,029,122,405.74/1,262,695.20
  6. Step 6: Final answer
    x = 991,552.93

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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.