Home / 1,177,722.40-1,766,612.40-429,768.16

Finding the Fourth Proportional to 1,177,722.40, 1,766,612.40 and 429,768.16

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Solution

The fourth proportional to 1,177,722.40, 1,766,612.40 and 429,768.16 is: 644,662.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,722.40 : 1,766,612.40 = 429,768.16 : x
  2. Step 2: Convert to fraction form
    1,177,722.40/1,766,612.40 = 429,768.16/x
  3. Step 3: Cross multiply
    1,177,722.40x = 1,766,612.40 × 429,768.16
  4. Step 4: Simplify right side
    1,177,722.40x = 759,233,760,581.18
  5. Step 5: Solve for x
    x = 759,233,760,581.18/1,177,722.40
  6. Step 6: Final answer
    x = 644,662.75

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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.