Home / 1,072,609.30-1,480,247.36-613,867.87

Finding the Fourth Proportional to 1,072,609.30, 1,480,247.36 and 613,867.87

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Solution

The fourth proportional to 1,072,609.30, 1,480,247.36 and 613,867.87 is: 847,164.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,609.30 : 1,480,247.36 = 613,867.87 : x
  2. Step 2: Convert to fraction form
    1,072,609.30/1,480,247.36 = 613,867.87/x
  3. Step 3: Cross multiply
    1,072,609.30x = 1,480,247.36 × 613,867.87
  4. Step 4: Simplify right side
    1,072,609.30x = 908,676,290,886.98
  5. Step 5: Solve for x
    x = 908,676,290,886.98/1,072,609.30
  6. Step 6: Final answer
    x = 847,164.29

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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.