Home / 749,271.60-1,123,907.40-681,037.20

Finding the Fourth Proportional to 749,271.60, 1,123,907.40 and 681,037.20

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Solution

The fourth proportional to 749,271.60, 1,123,907.40 and 681,037.20 is: 1,021,555.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,271.60 : 1,123,907.40 = 681,037.20 : x
  2. Step 2: Convert to fraction form
    749,271.60/1,123,907.40 = 681,037.20/x
  3. Step 3: Cross multiply
    749,271.60x = 1,123,907.40 × 681,037.20
  4. Step 4: Simplify right side
    749,271.60x = 765,422,748,755.28
  5. Step 5: Solve for x
    x = 765,422,748,755.28/749,271.60
  6. Step 6: Final answer
    x = 1,021,555.80

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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.