Home / 1,221,824.90-1,831,182.15-1,088,077.70

Finding the Fourth Proportional to 1,221,824.90, 1,831,182.15 and 1,088,077.70

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Solution

The fourth proportional to 1,221,824.90, 1,831,182.15 and 1,088,077.70 is: 1,630,731.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,824.90 : 1,831,182.15 = 1,088,077.70 : x
  2. Step 2: Convert to fraction form
    1,221,824.90/1,831,182.15 = 1,088,077.70/x
  3. Step 3: Cross multiply
    1,221,824.90x = 1,831,182.15 × 1,088,077.70
  4. Step 4: Simplify right side
    1,221,824.90x = 1,992,468,462,053.06
  5. Step 5: Solve for x
    x = 1,992,468,462,053.06/1,221,824.90
  6. Step 6: Final answer
    x = 1,630,731.59

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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.