Home / 745,440.41-1,123,139.77-674,454.04

Finding the Fourth Proportional to 745,440.41, 1,123,139.77 and 674,454.04

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Solution

The fourth proportional to 745,440.41, 1,123,139.77 and 674,454.04 is: 1,016,186.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,440.41 : 1,123,139.77 = 674,454.04 : x
  2. Step 2: Convert to fraction form
    745,440.41/1,123,139.77 = 674,454.04/x
  3. Step 3: Cross multiply
    745,440.41x = 1,123,139.77 × 674,454.04
  4. Step 4: Simplify right side
    745,440.41x = 757,506,155,361.17
  5. Step 5: Solve for x
    x = 757,506,155,361.17/745,440.41
  6. Step 6: Final answer
    x = 1,016,186.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.