Home / 1,159,386.20-1,739,079.30-798,579.80

Finding the Fourth Proportional to 1,159,386.20, 1,739,079.30 and 798,579.80

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Solution

The fourth proportional to 1,159,386.20, 1,739,079.30 and 798,579.80 is: 1,197,869.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,386.20 : 1,739,079.30 = 798,579.80 : x
  2. Step 2: Convert to fraction form
    1,159,386.20/1,739,079.30 = 798,579.80/x
  3. Step 3: Cross multiply
    1,159,386.20x = 1,739,079.30 × 798,579.80
  4. Step 4: Simplify right side
    1,159,386.20x = 1,388,793,599,578.14
  5. Step 5: Solve for x
    x = 1,388,793,599,578.14/1,159,386.20
  6. Step 6: Final answer
    x = 1,197,869.70

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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.