Home / 1,139,261.60-1,708,989.60-297,812

Finding the Fourth Proportional to 1,139,261.60, 1,708,989.60 and 297,812

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Solution

The fourth proportional to 1,139,261.60, 1,708,989.60 and 297,812 is: 446,743.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,261.60 : 1,708,989.60 = 297,812 : x
  2. Step 2: Convert to fraction form
    1,139,261.60/1,708,989.60 = 297,812/x
  3. Step 3: Cross multiply
    1,139,261.60x = 1,708,989.60 × 297,812
  4. Step 4: Simplify right side
    1,139,261.60x = 508,957,610,755.20
  5. Step 5: Solve for x
    x = 508,957,610,755.20/1,139,261.60
  6. Step 6: Final answer
    x = 446,743.41

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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.