Home / 1,235,232.10-1,852,848.15-1,187,992.90

Finding the Fourth Proportional to 1,235,232.10, 1,852,848.15 and 1,187,992.90

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Solution

The fourth proportional to 1,235,232.10, 1,852,848.15 and 1,187,992.90 is: 1,781,989.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,232.10 : 1,852,848.15 = 1,187,992.90 : x
  2. Step 2: Convert to fraction form
    1,235,232.10/1,852,848.15 = 1,187,992.90/x
  3. Step 3: Cross multiply
    1,235,232.10x = 1,852,848.15 × 1,187,992.90
  4. Step 4: Simplify right side
    1,235,232.10x = 2,201,170,446,978.13
  5. Step 5: Solve for x
    x = 2,201,170,446,978.13/1,235,232.10
  6. Step 6: Final answer
    x = 1,781,989.35

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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.