Home / 1,247,041.46-1,720,916.48-674,081.64

Finding the Fourth Proportional to 1,247,041.46, 1,720,916.48 and 674,081.64

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Solution

The fourth proportional to 1,247,041.46, 1,720,916.48 and 674,081.64 is: 930,232.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,041.46 : 1,720,916.48 = 674,081.64 : x
  2. Step 2: Convert to fraction form
    1,247,041.46/1,720,916.48 = 674,081.64/x
  3. Step 3: Cross multiply
    1,247,041.46x = 1,720,916.48 × 674,081.64
  4. Step 4: Simplify right side
    1,247,041.46x = 1,160,038,204,826.63
  5. Step 5: Solve for x
    x = 1,160,038,204,826.63/1,247,041.46
  6. Step 6: Final answer
    x = 930,232.27

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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.