Home / 1,247,034.16-1,720,906.40-674,074.34

Finding the Fourth Proportional to 1,247,034.16, 1,720,906.40 and 674,074.34

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Solution

The fourth proportional to 1,247,034.16, 1,720,906.40 and 674,074.34 is: 930,222.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,034.16 : 1,720,906.40 = 674,074.34 : x
  2. Step 2: Convert to fraction form
    1,247,034.16/1,720,906.40 = 674,074.34/x
  3. Step 3: Cross multiply
    1,247,034.16x = 1,720,906.40 × 674,074.34
  4. Step 4: Simplify right side
    1,247,034.16x = 1,160,018,845,315.83
  5. Step 5: Solve for x
    x = 1,160,018,845,315.83/1,247,034.16
  6. Step 6: Final answer
    x = 930,222.19

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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.