Home / 979,390.60-1,467,336.30-800,931.40

Finding the Fourth Proportional to 979,390.60, 1,467,336.30 and 800,931.40

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Solution

The fourth proportional to 979,390.60, 1,467,336.30 and 800,931.40 is: 1,199,966.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,390.60 : 1,467,336.30 = 800,931.40 : x
  2. Step 2: Convert to fraction form
    979,390.60/1,467,336.30 = 800,931.40/x
  3. Step 3: Cross multiply
    979,390.60x = 1,467,336.30 × 800,931.40
  4. Step 4: Simplify right side
    979,390.60x = 1,175,235,717,029.82
  5. Step 5: Solve for x
    x = 1,175,235,717,029.82/979,390.60
  6. Step 6: Final answer
    x = 1,199,966.30

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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.