Home / 1,114,731.93-1,538,278.57-631,300.56

Finding the Fourth Proportional to 1,114,731.93, 1,538,278.57 and 631,300.56

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Solution

The fourth proportional to 1,114,731.93, 1,538,278.57 and 631,300.56 is: 871,165.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,731.93 : 1,538,278.57 = 631,300.56 : x
  2. Step 2: Convert to fraction form
    1,114,731.93/1,538,278.57 = 631,300.56/x
  3. Step 3: Cross multiply
    1,114,731.93x = 1,538,278.57 × 631,300.56
  4. Step 4: Simplify right side
    1,114,731.93x = 971,116,121,098.75
  5. Step 5: Solve for x
    x = 971,116,121,098.75/1,114,731.93
  6. Step 6: Final answer
    x = 871,165.61

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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.