Home / 1,107,220.15-1,527,645.34-720,604.72

Finding the Fourth Proportional to 1,107,220.15, 1,527,645.34 and 720,604.72

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Solution

The fourth proportional to 1,107,220.15, 1,527,645.34 and 720,604.72 is: 994,227.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,220.15 : 1,527,645.34 = 720,604.72 : x
  2. Step 2: Convert to fraction form
    1,107,220.15/1,527,645.34 = 720,604.72/x
  3. Step 3: Cross multiply
    1,107,220.15x = 1,527,645.34 × 720,604.72
  4. Step 4: Simplify right side
    1,107,220.15x = 1,100,828,442,490.00
  5. Step 5: Solve for x
    x = 1,100,828,442,490.00/1,107,220.15
  6. Step 6: Final answer
    x = 994,227.25

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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.