Home / 1,148,623.20-1,722,934.80-474,480.45

Finding the Fourth Proportional to 1,148,623.20, 1,722,934.80 and 474,480.45

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Solution

The fourth proportional to 1,148,623.20, 1,722,934.80 and 474,480.45 is: 711,720.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,623.20 : 1,722,934.80 = 474,480.45 : x
  2. Step 2: Convert to fraction form
    1,148,623.20/1,722,934.80 = 474,480.45/x
  3. Step 3: Cross multiply
    1,148,623.20x = 1,722,934.80 × 474,480.45
  4. Step 4: Simplify right side
    1,148,623.20x = 817,498,879,224.66
  5. Step 5: Solve for x
    x = 817,498,879,224.66/1,148,623.20
  6. Step 6: Final answer
    x = 711,720.68

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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.