Home / 1,129,864.20-1,694,113.36-455,157.49

Finding the Fourth Proportional to 1,129,864.20, 1,694,113.36 and 455,157.49

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Solution

The fourth proportional to 1,129,864.20, 1,694,113.36 and 455,157.49 is: 682,461.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,864.20 : 1,694,113.36 = 455,157.49 : x
  2. Step 2: Convert to fraction form
    1,129,864.20/1,694,113.36 = 455,157.49/x
  3. Step 3: Cross multiply
    1,129,864.20x = 1,694,113.36 × 455,157.49
  4. Step 4: Simplify right side
    1,129,864.20x = 771,088,379,339.89
  5. Step 5: Solve for x
    x = 771,088,379,339.89/1,129,864.20
  6. Step 6: Final answer
    x = 682,461.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.