Home / 979,425.60-1,467,388.80-800,966.40

Finding the Fourth Proportional to 979,425.60, 1,467,388.80 and 800,966.40

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Solution

The fourth proportional to 979,425.60, 1,467,388.80 and 800,966.40 is: 1,200,018.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,425.60 : 1,467,388.80 = 800,966.40 : x
  2. Step 2: Convert to fraction form
    979,425.60/1,467,388.80 = 800,966.40/x
  3. Step 3: Cross multiply
    979,425.60x = 1,467,388.80 × 800,966.40
  4. Step 4: Simplify right side
    979,425.60x = 1,175,329,124,536.32
  5. Step 5: Solve for x
    x = 1,175,329,124,536.32/979,425.60
  6. Step 6: Final answer
    x = 1,200,018.79

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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.