Home / 1,650,785.20-2,476,177.80-1,172,488.30

Finding the Fourth Proportional to 1,650,785.20, 2,476,177.80 and 1,172,488.30

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Solution

The fourth proportional to 1,650,785.20, 2,476,177.80 and 1,172,488.30 is: 1,758,732.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,650,785.20 : 2,476,177.80 = 1,172,488.30 : x
  2. Step 2: Convert to fraction form
    1,650,785.20/2,476,177.80 = 1,172,488.30/x
  3. Step 3: Cross multiply
    1,650,785.20x = 2,476,177.80 × 1,172,488.30
  4. Step 4: Simplify right side
    1,650,785.20x = 2,903,289,499,219.74
  5. Step 5: Solve for x
    x = 2,903,289,499,219.74/1,650,785.20
  6. Step 6: Final answer
    x = 1,758,732.45

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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.