Home / 1,388,094.66-1,915,534.66-767,922.74

Finding the Fourth Proportional to 1,388,094.66, 1,915,534.66 and 767,922.74

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Solution

The fourth proportional to 1,388,094.66, 1,915,534.66 and 767,922.74 is: 1,059,713.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,094.66 : 1,915,534.66 = 767,922.74 : x
  2. Step 2: Convert to fraction form
    1,388,094.66/1,915,534.66 = 767,922.74/x
  3. Step 3: Cross multiply
    1,388,094.66x = 1,915,534.66 × 767,922.74
  4. Step 4: Simplify right side
    1,388,094.66x = 1,470,982,612,694.74
  5. Step 5: Solve for x
    x = 1,470,982,612,694.74/1,388,094.66
  6. Step 6: Final answer
    x = 1,059,713.47

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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.