Home / 980,622.65-1,350,130.96-836,805.53

Finding the Fourth Proportional to 980,622.65, 1,350,130.96 and 836,805.53

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Solution

The fourth proportional to 980,622.65, 1,350,130.96 and 836,805.53 is: 1,152,122.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,622.65 : 1,350,130.96 = 836,805.53 : x
  2. Step 2: Convert to fraction form
    980,622.65/1,350,130.96 = 836,805.53/x
  3. Step 3: Cross multiply
    980,622.65x = 1,350,130.96 × 836,805.53
  4. Step 4: Simplify right side
    980,622.65x = 1,129,797,053,552.21
  5. Step 5: Solve for x
    x = 1,129,797,053,552.21/980,622.65
  6. Step 6: Final answer
    x = 1,152,122.13

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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.