Home / 1,127,662.90-1,692,335.11-453,750.05

Finding the Fourth Proportional to 1,127,662.90, 1,692,335.11 and 453,750.05

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Solution

The fourth proportional to 1,127,662.90, 1,692,335.11 and 453,750.05 is: 680,963.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,662.90 : 1,692,335.11 = 453,750.05 : x
  2. Step 2: Convert to fraction form
    1,127,662.90/1,692,335.11 = 453,750.05/x
  3. Step 3: Cross multiply
    1,127,662.90x = 1,692,335.11 × 453,750.05
  4. Step 4: Simplify right side
    1,127,662.90x = 767,897,135,931.45
  5. Step 5: Solve for x
    x = 767,897,135,931.45/1,127,662.90
  6. Step 6: Final answer
    x = 680,963.37

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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.