Home / 1,145,781.02-1,581,121.14-662,300.12

Finding the Fourth Proportional to 1,145,781.02, 1,581,121.14 and 662,300.12

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Solution

The fourth proportional to 1,145,781.02, 1,581,121.14 and 662,300.12 is: 913,941.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,781.02 : 1,581,121.14 = 662,300.12 : x
  2. Step 2: Convert to fraction form
    1,145,781.02/1,581,121.14 = 662,300.12/x
  3. Step 3: Cross multiply
    1,145,781.02x = 1,581,121.14 × 662,300.12
  4. Step 4: Simplify right side
    1,145,781.02x = 1,047,176,720,756.54
  5. Step 5: Solve for x
    x = 1,047,176,720,756.54/1,145,781.02
  6. Step 6: Final answer
    x = 913,941.41

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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.