Home / 1,476,971.88-2,219,613.12-878,040.60

Finding the Fourth Proportional to 1,476,971.88, 2,219,613.12 and 878,040.60

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Solution

The fourth proportional to 1,476,971.88, 2,219,613.12 and 878,040.60 is: 1,319,531.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,476,971.88 : 2,219,613.12 = 878,040.60 : x
  2. Step 2: Convert to fraction form
    1,476,971.88/2,219,613.12 = 878,040.60/x
  3. Step 3: Cross multiply
    1,476,971.88x = 2,219,613.12 × 878,040.60
  4. Step 4: Simplify right side
    1,476,971.88x = 1,948,910,435,652.67
  5. Step 5: Solve for x
    x = 1,948,910,435,652.67/1,476,971.88
  6. Step 6: Final answer
    x = 1,319,531.17

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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.