Home / 1,109,002.40-1,662,345.84-804,661.28

Finding the Fourth Proportional to 1,109,002.40, 1,662,345.84 and 804,661.28

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Solution

The fourth proportional to 1,109,002.40, 1,662,345.84 and 804,661.28 is: 1,206,151.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,002.40 : 1,662,345.84 = 804,661.28 : x
  2. Step 2: Convert to fraction form
    1,109,002.40/1,662,345.84 = 804,661.28/x
  3. Step 3: Cross multiply
    1,109,002.40x = 1,662,345.84 × 804,661.28
  4. Step 4: Simplify right side
    1,109,002.40x = 1,337,625,331,417.08
  5. Step 5: Solve for x
    x = 1,337,625,331,417.08/1,109,002.40
  6. Step 6: Final answer
    x = 1,206,151.88

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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.