Home / 1,781,037.70-2,671,556.55-715,531.30

Finding the Fourth Proportional to 1,781,037.70, 2,671,556.55 and 715,531.30

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Solution

The fourth proportional to 1,781,037.70, 2,671,556.55 and 715,531.30 is: 1,073,296.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,037.70 : 2,671,556.55 = 715,531.30 : x
  2. Step 2: Convert to fraction form
    1,781,037.70/2,671,556.55 = 715,531.30/x
  3. Step 3: Cross multiply
    1,781,037.70x = 2,671,556.55 × 715,531.30
  4. Step 4: Simplify right side
    1,781,037.70x = 1,911,582,331,245.02
  5. Step 5: Solve for x
    x = 1,911,582,331,245.02/1,781,037.70
  6. Step 6: Final answer
    x = 1,073,296.95

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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.