Home / 1,003,428.57-1,384,735.05-544,543.05

Finding the Fourth Proportional to 1,003,428.57, 1,384,735.05 and 544,543.05

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Solution

The fourth proportional to 1,003,428.57, 1,384,735.05 and 544,543.05 is: 751,471.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,428.57 : 1,384,735.05 = 544,543.05 : x
  2. Step 2: Convert to fraction form
    1,003,428.57/1,384,735.05 = 544,543.05/x
  3. Step 3: Cross multiply
    1,003,428.57x = 1,384,735.05 × 544,543.05
  4. Step 4: Simplify right side
    1,003,428.57x = 754,047,847,568.90
  5. Step 5: Solve for x
    x = 754,047,847,568.90/1,003,428.57
  6. Step 6: Final answer
    x = 751,471.38

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1.5x scale

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.