Home / 1,221,414.92-1,831,587.78-501,262.76

Finding the Fourth Proportional to 1,221,414.92, 1,831,587.78 and 501,262.76

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Solution

The fourth proportional to 1,221,414.92, 1,831,587.78 and 501,262.76 is: 751,674.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,414.92 : 1,831,587.78 = 501,262.76 : x
  2. Step 2: Convert to fraction form
    1,221,414.92/1,831,587.78 = 501,262.76/x
  3. Step 3: Cross multiply
    1,221,414.92x = 1,831,587.78 × 501,262.76
  4. Step 4: Simplify right side
    1,221,414.92x = 918,106,745,785.07
  5. Step 5: Solve for x
    x = 918,106,745,785.07/1,221,414.92
  6. Step 6: Final answer
    x = 751,674.74

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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.