Home / 1,221,390.90-1,832,086.35-843,477.30

Finding the Fourth Proportional to 1,221,390.90, 1,832,086.35 and 843,477.30

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Solution

The fourth proportional to 1,221,390.90, 1,832,086.35 and 843,477.30 is: 1,265,215.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,390.90 : 1,832,086.35 = 843,477.30 : x
  2. Step 2: Convert to fraction form
    1,221,390.90/1,832,086.35 = 843,477.30/x
  3. Step 3: Cross multiply
    1,221,390.90x = 1,832,086.35 × 843,477.30
  4. Step 4: Simplify right side
    1,221,390.90x = 1,545,323,247,864.86
  5. Step 5: Solve for x
    x = 1,545,323,247,864.86/1,221,390.90
  6. Step 6: Final answer
    x = 1,265,215.95

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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.