Home / 1,521,210.20-2,099,186.84-832,748.90

Finding the Fourth Proportional to 1,521,210.20, 2,099,186.84 and 832,748.90

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Solution

The fourth proportional to 1,521,210.20, 2,099,186.84 and 832,748.90 is: 1,149,147.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,210.20 : 2,099,186.84 = 832,748.90 : x
  2. Step 2: Convert to fraction form
    1,521,210.20/2,099,186.84 = 832,748.90/x
  3. Step 3: Cross multiply
    1,521,210.20x = 2,099,186.84 × 832,748.90
  4. Step 4: Simplify right side
    1,521,210.20x = 1,748,095,527,740.73
  5. Step 5: Solve for x
    x = 1,748,095,527,740.73/1,521,210.20
  6. Step 6: Final answer
    x = 1,149,147.91

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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.