Home / 1,225,725.40-1,838,588.10-1,127,310.40

Finding the Fourth Proportional to 1,225,725.40, 1,838,588.10 and 1,127,310.40

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Solution

The fourth proportional to 1,225,725.40, 1,838,588.10 and 1,127,310.40 is: 1,690,965.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,725.40 : 1,838,588.10 = 1,127,310.40 : x
  2. Step 2: Convert to fraction form
    1,225,725.40/1,838,588.10 = 1,127,310.40/x
  3. Step 3: Cross multiply
    1,225,725.40x = 1,838,588.10 × 1,127,310.40
  4. Step 4: Simplify right side
    1,225,725.40x = 2,072,659,486,446.24
  5. Step 5: Solve for x
    x = 2,072,659,486,446.24/1,225,725.40
  6. Step 6: Final answer
    x = 1,690,965.60

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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.