Home / 1,512,320.50-2,087,008.77-833,242.42

Finding the Fourth Proportional to 1,512,320.50, 2,087,008.77 and 833,242.42

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Solution

The fourth proportional to 1,512,320.50, 2,087,008.77 and 833,242.42 is: 1,149,878.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,320.50 : 2,087,008.77 = 833,242.42 : x
  2. Step 2: Convert to fraction form
    1,512,320.50/2,087,008.77 = 833,242.42/x
  3. Step 3: Cross multiply
    1,512,320.50x = 2,087,008.77 × 833,242.42
  4. Step 4: Simplify right side
    1,512,320.50x = 1,738,984,238,076.02
  5. Step 5: Solve for x
    x = 1,738,984,238,076.02/1,512,320.50
  6. Step 6: Final answer
    x = 1,149,878.11

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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.