Home / 1,587,992.16-2,380,649.22-688,756.84

Finding the Fourth Proportional to 1,587,992.16, 2,380,649.22 and 688,756.84

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Solution

The fourth proportional to 1,587,992.16, 2,380,649.22 and 688,756.84 is: 1,032,554.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,992.16 : 2,380,649.22 = 688,756.84 : x
  2. Step 2: Convert to fraction form
    1,587,992.16/2,380,649.22 = 688,756.84/x
  3. Step 3: Cross multiply
    1,587,992.16x = 2,380,649.22 × 688,756.84
  4. Step 4: Simplify right side
    1,587,992.16x = 1,639,688,420,290.53
  5. Step 5: Solve for x
    x = 1,639,688,420,290.53/1,587,992.16
  6. Step 6: Final answer
    x = 1,032,554.48

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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.