Home / 1,110,801.30-1,666,979.55-480,167.70

Finding the Fourth Proportional to 1,110,801.30, 1,666,979.55 and 480,167.70

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Solution

The fourth proportional to 1,110,801.30, 1,666,979.55 and 480,167.70 is: 720,587.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,801.30 : 1,666,979.55 = 480,167.70 : x
  2. Step 2: Convert to fraction form
    1,110,801.30/1,666,979.55 = 480,167.70/x
  3. Step 3: Cross multiply
    1,110,801.30x = 1,666,979.55 × 480,167.70
  4. Step 4: Simplify right side
    1,110,801.30x = 800,429,736,470.54
  5. Step 5: Solve for x
    x = 800,429,736,470.54/1,110,801.30
  6. Step 6: Final answer
    x = 720,587.68

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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.