Home / 1,147,805.60-1,721,708.40-349,080.80

Finding the Fourth Proportional to 1,147,805.60, 1,721,708.40 and 349,080.80

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Solution

The fourth proportional to 1,147,805.60, 1,721,708.40 and 349,080.80 is: 523,621.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,805.60 : 1,721,708.40 = 349,080.80 : x
  2. Step 2: Convert to fraction form
    1,147,805.60/1,721,708.40 = 349,080.80/x
  3. Step 3: Cross multiply
    1,147,805.60x = 1,721,708.40 × 349,080.80
  4. Step 4: Simplify right side
    1,147,805.60x = 601,015,345,638.72
  5. Step 5: Solve for x
    x = 601,015,345,638.72/1,147,805.60
  6. Step 6: Final answer
    x = 523,621.20

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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.