Home / 979,881.35-1,468,443.60-779,311.58

Finding the Fourth Proportional to 979,881.35, 1,468,443.60 and 779,311.58

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Solution

The fourth proportional to 979,881.35, 1,468,443.60 and 779,311.58 is: 1,167,871.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,881.35 : 1,468,443.60 = 779,311.58 : x
  2. Step 2: Convert to fraction form
    979,881.35/1,468,443.60 = 779,311.58/x
  3. Step 3: Cross multiply
    979,881.35x = 1,468,443.60 × 779,311.58
  4. Step 4: Simplify right side
    979,881.35x = 1,144,375,094,714.67
  5. Step 5: Solve for x
    x = 1,144,375,094,714.67/979,881.35
  6. Step 6: Final answer
    x = 1,167,871.09

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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.