Home / 1,114,694.88-1,538,296.62-631,246.92

Finding the Fourth Proportional to 1,114,694.88, 1,538,296.62 and 631,246.92

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Solution

The fourth proportional to 1,114,694.88, 1,538,296.62 and 631,246.92 is: 871,130.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,694.88 : 1,538,296.62 = 631,246.92 : x
  2. Step 2: Convert to fraction form
    1,114,694.88/1,538,296.62 = 631,246.92/x
  3. Step 3: Cross multiply
    1,114,694.88x = 1,538,296.62 × 631,246.92
  4. Step 4: Simplify right side
    1,114,694.88x = 971,045,003,421.41
  5. Step 5: Solve for x
    x = 971,045,003,421.41/1,114,694.88
  6. Step 6: Final answer
    x = 871,130.76

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.