Home / 1,246,649.40-1,870,848.90-798,460.20

Finding the Fourth Proportional to 1,246,649.40, 1,870,848.90 and 798,460.20

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Solution

The fourth proportional to 1,246,649.40, 1,870,848.90 and 798,460.20 is: 1,198,250.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,649.40 : 1,870,848.90 = 798,460.20 : x
  2. Step 2: Convert to fraction form
    1,246,649.40/1,870,848.90 = 798,460.20/x
  3. Step 3: Cross multiply
    1,246,649.40x = 1,870,848.90 × 798,460.20
  4. Step 4: Simplify right side
    1,246,649.40x = 1,493,798,386,863.78
  5. Step 5: Solve for x
    x = 1,493,798,386,863.78/1,246,649.40
  6. Step 6: Final answer
    x = 1,198,250.60

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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.