Home / 1,037,940.48-1,433,168.64-812,229.12

Finding the Fourth Proportional to 1,037,940.48, 1,433,168.64 and 812,229.12

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Solution

The fourth proportional to 1,037,940.48, 1,433,168.64 and 812,229.12 is: 1,121,510.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037,940.48 : 1,433,168.64 = 812,229.12 : x
  2. Step 2: Convert to fraction form
    1,037,940.48/1,433,168.64 = 812,229.12/x
  3. Step 3: Cross multiply
    1,037,940.48x = 1,433,168.64 × 812,229.12
  4. Step 4: Simplify right side
    1,037,940.48x = 1,164,061,303,278.80
  5. Step 5: Solve for x
    x = 1,164,061,303,278.80/1,037,940.48
  6. Step 6: Final answer
    x = 1,121,510.65

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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.