Home / 1,788,002.10-2,682,003.15-778,264.20

Finding the Fourth Proportional to 1,788,002.10, 2,682,003.15 and 778,264.20

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Solution

The fourth proportional to 1,788,002.10, 2,682,003.15 and 778,264.20 is: 1,167,396.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,788,002.10 : 2,682,003.15 = 778,264.20 : x
  2. Step 2: Convert to fraction form
    1,788,002.10/2,682,003.15 = 778,264.20/x
  3. Step 3: Cross multiply
    1,788,002.10x = 2,682,003.15 × 778,264.20
  4. Step 4: Simplify right side
    1,788,002.10x = 2,087,307,035,932.23
  5. Step 5: Solve for x
    x = 2,087,307,035,932.23/1,788,002.10
  6. Step 6: Final answer
    x = 1,167,396.30

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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.