Home / 1,107,209.70-1,660,814.55-547,337.70

Finding the Fourth Proportional to 1,107,209.70, 1,660,814.55 and 547,337.70

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Solution

The fourth proportional to 1,107,209.70, 1,660,814.55 and 547,337.70 is: 821,006.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,209.70 : 1,660,814.55 = 547,337.70 : x
  2. Step 2: Convert to fraction form
    1,107,209.70/1,660,814.55 = 547,337.70/x
  3. Step 3: Cross multiply
    1,107,209.70x = 1,660,814.55 × 547,337.70
  4. Step 4: Simplify right side
    1,107,209.70x = 909,026,415,923.54
  5. Step 5: Solve for x
    x = 909,026,415,923.54/1,107,209.70
  6. Step 6: Final answer
    x = 821,006.55

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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.