Home / 1,050,997.54-1,450,612.85-688,210.69

Finding the Fourth Proportional to 1,050,997.54, 1,450,612.85 and 688,210.69

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Solution

The fourth proportional to 1,050,997.54, 1,450,612.85 and 688,210.69 is: 949,885.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050,997.54 : 1,450,612.85 = 688,210.69 : x
  2. Step 2: Convert to fraction form
    1,050,997.54/1,450,612.85 = 688,210.69/x
  3. Step 3: Cross multiply
    1,050,997.54x = 1,450,612.85 × 688,210.69
  4. Step 4: Simplify right side
    1,050,997.54x = 998,327,259,727.25
  5. Step 5: Solve for x
    x = 998,327,259,727.25/1,050,997.54
  6. Step 6: Final answer
    x = 949,885.44

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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.