Home / 1,087,029.90-1,630,544.85-682,872.30

Finding the Fourth Proportional to 1,087,029.90, 1,630,544.85 and 682,872.30

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Solution

The fourth proportional to 1,087,029.90, 1,630,544.85 and 682,872.30 is: 1,024,308.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,029.90 : 1,630,544.85 = 682,872.30 : x
  2. Step 2: Convert to fraction form
    1,087,029.90/1,630,544.85 = 682,872.30/x
  3. Step 3: Cross multiply
    1,087,029.90x = 1,630,544.85 × 682,872.30
  4. Step 4: Simplify right side
    1,087,029.90x = 1,113,453,911,972.66
  5. Step 5: Solve for x
    x = 1,113,453,911,972.66/1,087,029.90
  6. Step 6: Final answer
    x = 1,024,308.45

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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.