Home / 1,101,365.24-1,652,047.96-391,421.30

Finding the Fourth Proportional to 1,101,365.24, 1,652,047.96 and 391,421.30

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Solution

The fourth proportional to 1,101,365.24, 1,652,047.96 and 391,421.30 is: 587,131.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,365.24 : 1,652,047.96 = 391,421.30 : x
  2. Step 2: Convert to fraction form
    1,101,365.24/1,652,047.96 = 391,421.30/x
  3. Step 3: Cross multiply
    1,101,365.24x = 1,652,047.96 × 391,421.30
  4. Step 4: Simplify right side
    1,101,365.24x = 646,646,760,165.55
  5. Step 5: Solve for x
    x = 646,646,760,165.55/1,101,365.24
  6. Step 6: Final answer
    x = 587,131.99

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Double scale
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1.5x scale

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.