Home / 1,140,642.55-1,573,921.96-631,343.71

Finding the Fourth Proportional to 1,140,642.55, 1,573,921.96 and 631,343.71

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Solution

The fourth proportional to 1,140,642.55, 1,573,921.96 and 631,343.71 is: 871,163.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,642.55 : 1,573,921.96 = 631,343.71 : x
  2. Step 2: Convert to fraction form
    1,140,642.55/1,573,921.96 = 631,343.71/x
  3. Step 3: Cross multiply
    1,140,642.55x = 1,573,921.96 × 631,343.71
  4. Step 4: Simplify right side
    1,140,642.55x = 993,685,729,476.87
  5. Step 5: Solve for x
    x = 993,685,729,476.87/1,140,642.55
  6. Step 6: Final answer
    x = 871,163.13

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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.