Home / 1,141,292.10-1,711,808.55-299,928.90

Finding the Fourth Proportional to 1,141,292.10, 1,711,808.55 and 299,928.90

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Solution

The fourth proportional to 1,141,292.10, 1,711,808.55 and 299,928.90 is: 449,859.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,141,292.10 : 1,711,808.55 = 299,928.90 : x
  2. Step 2: Convert to fraction form
    1,141,292.10/1,711,808.55 = 299,928.90/x
  3. Step 3: Cross multiply
    1,141,292.10x = 1,711,808.55 × 299,928.90
  4. Step 4: Simplify right side
    1,141,292.10x = 513,420,855,412.10
  5. Step 5: Solve for x
    x = 513,420,855,412.10/1,141,292.10
  6. Step 6: Final answer
    x = 449,859.29

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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.