Home / 1,343,125.60-2,012,938.80-543,752.80

Finding the Fourth Proportional to 1,343,125.60, 2,012,938.80 and 543,752.80

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Solution

The fourth proportional to 1,343,125.60, 2,012,938.80 and 543,752.80 is: 814,920.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,125.60 : 2,012,938.80 = 543,752.80 : x
  2. Step 2: Convert to fraction form
    1,343,125.60/2,012,938.80 = 543,752.80/x
  3. Step 3: Cross multiply
    1,343,125.60x = 2,012,938.80 × 543,752.80
  4. Step 4: Simplify right side
    1,343,125.60x = 1,094,541,108,728.64
  5. Step 5: Solve for x
    x = 1,094,541,108,728.64/1,343,125.60
  6. Step 6: Final answer
    x = 814,920.89

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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.