Home / 1,393,304.50-2,090,143.05-551,659.42

Finding the Fourth Proportional to 1,393,304.50, 2,090,143.05 and 551,659.42

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Solution

The fourth proportional to 1,393,304.50, 2,090,143.05 and 551,659.42 is: 827,562.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,304.50 : 2,090,143.05 = 551,659.42 : x
  2. Step 2: Convert to fraction form
    1,393,304.50/2,090,143.05 = 551,659.42/x
  3. Step 3: Cross multiply
    1,393,304.50x = 2,090,143.05 × 551,659.42
  4. Step 4: Simplify right side
    1,393,304.50x = 1,153,047,102,680.03
  5. Step 5: Solve for x
    x = 1,153,047,102,680.03/1,393,304.50
  6. Step 6: Final answer
    x = 827,562.89

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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.