Home / 1,303,229.61-1,798,366.13-722,447.16

Finding the Fourth Proportional to 1,303,229.61, 1,798,366.13 and 722,447.16

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Solution

The fourth proportional to 1,303,229.61, 1,798,366.13 and 722,447.16 is: 996,926.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,229.61 : 1,798,366.13 = 722,447.16 : x
  2. Step 2: Convert to fraction form
    1,303,229.61/1,798,366.13 = 722,447.16/x
  3. Step 3: Cross multiply
    1,303,229.61x = 1,798,366.13 × 722,447.16
  4. Step 4: Simplify right side
    1,303,229.61x = 1,299,224,494,266.86
  5. Step 5: Solve for x
    x = 1,299,224,494,266.86/1,303,229.61
  6. Step 6: Final answer
    x = 996,926.78

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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.