Home / 1,109,011.40-1,662,359.34-804,670.28

Finding the Fourth Proportional to 1,109,011.40, 1,662,359.34 and 804,670.28

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Solution

The fourth proportional to 1,109,011.40, 1,662,359.34 and 804,670.28 is: 1,206,165.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,011.40 : 1,662,359.34 = 804,670.28 : x
  2. Step 2: Convert to fraction form
    1,109,011.40/1,662,359.34 = 804,670.28/x
  3. Step 3: Cross multiply
    1,109,011.40x = 1,662,359.34 × 804,670.28
  4. Step 4: Simplify right side
    1,109,011.40x = 1,337,651,155,578.42
  5. Step 5: Solve for x
    x = 1,337,651,155,578.42/1,109,011.40
  6. Step 6: Final answer
    x = 1,206,165.38

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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.