Home / 1,091,743.80-1,637,615.70-381,697.80

Finding the Fourth Proportional to 1,091,743.80, 1,637,615.70 and 381,697.80

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Solution

The fourth proportional to 1,091,743.80, 1,637,615.70 and 381,697.80 is: 572,546.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,743.80 : 1,637,615.70 = 381,697.80 : x
  2. Step 2: Convert to fraction form
    1,091,743.80/1,637,615.70 = 381,697.80/x
  3. Step 3: Cross multiply
    1,091,743.80x = 1,637,615.70 × 381,697.80
  4. Step 4: Simplify right side
    1,091,743.80x = 625,074,309,935.46
  5. Step 5: Solve for x
    x = 625,074,309,935.46/1,091,743.80
  6. Step 6: Final answer
    x = 572,546.70

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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.