Home / 1,057,581.40-1,458,921.54-675,206.20

Finding the Fourth Proportional to 1,057,581.40, 1,458,921.54 and 675,206.20

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Solution

The fourth proportional to 1,057,581.40, 1,458,921.54 and 675,206.20 is: 931,439.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,581.40 : 1,458,921.54 = 675,206.20 : x
  2. Step 2: Convert to fraction form
    1,057,581.40/1,458,921.54 = 675,206.20/x
  3. Step 3: Cross multiply
    1,057,581.40x = 1,458,921.54 × 675,206.20
  4. Step 4: Simplify right side
    1,057,581.40x = 985,072,869,121.55
  5. Step 5: Solve for x
    x = 985,072,869,121.55/1,057,581.40
  6. Step 6: Final answer
    x = 931,439.29

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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.