Home / 1,114,727.62-1,538,272.64-631,296.24

Finding the Fourth Proportional to 1,114,727.62, 1,538,272.64 and 631,296.24

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Solution

The fourth proportional to 1,114,727.62, 1,538,272.64 and 631,296.24 is: 871,159.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,727.62 : 1,538,272.64 = 631,296.24 : x
  2. Step 2: Convert to fraction form
    1,114,727.62/1,538,272.64 = 631,296.24/x
  3. Step 3: Cross multiply
    1,114,727.62x = 1,538,272.64 × 631,296.24
  4. Step 4: Simplify right side
    1,114,727.62x = 971,105,733,726.87
  5. Step 5: Solve for x
    x = 971,105,733,726.87/1,114,727.62
  6. Step 6: Final answer
    x = 871,159.66

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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.