Home / 1,500,086.63-2,070,125.01-811,758.42

Finding the Fourth Proportional to 1,500,086.63, 2,070,125.01 and 811,758.42

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Solution

The fourth proportional to 1,500,086.63, 2,070,125.01 and 811,758.42 is: 1,120,229.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,086.63 : 2,070,125.01 = 811,758.42 : x
  2. Step 2: Convert to fraction form
    1,500,086.63/2,070,125.01 = 811,758.42/x
  3. Step 3: Cross multiply
    1,500,086.63x = 2,070,125.01 × 811,758.42
  4. Step 4: Simplify right side
    1,500,086.63x = 1,680,441,407,320.08
  5. Step 5: Solve for x
    x = 1,680,441,407,320.08/1,500,086.63
  6. Step 6: Final answer
    x = 1,120,229.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.