Home / 1,108,077.20-1,662,115.80-433,934.45

Finding the Fourth Proportional to 1,108,077.20, 1,662,115.80 and 433,934.45

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Solution

The fourth proportional to 1,108,077.20, 1,662,115.80 and 433,934.45 is: 650,901.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,077.20 : 1,662,115.80 = 433,934.45 : x
  2. Step 2: Convert to fraction form
    1,108,077.20/1,662,115.80 = 433,934.45/x
  3. Step 3: Cross multiply
    1,108,077.20x = 1,662,115.80 × 433,934.45
  4. Step 4: Simplify right side
    1,108,077.20x = 721,249,305,509.31
  5. Step 5: Solve for x
    x = 721,249,305,509.31/1,108,077.20
  6. Step 6: Final answer
    x = 650,901.68

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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.