Home / 1,925,118.72-2,656,631.68-1,065,660.80

Finding the Fourth Proportional to 1,925,118.72, 2,656,631.68 and 1,065,660.80

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Solution

The fourth proportional to 1,925,118.72, 2,656,631.68 and 1,065,660.80 is: 1,470,594.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,925,118.72 : 2,656,631.68 = 1,065,660.80 : x
  2. Step 2: Convert to fraction form
    1,925,118.72/2,656,631.68 = 1,065,660.80/x
  3. Step 3: Cross multiply
    1,925,118.72x = 2,656,631.68 × 1,065,660.80
  4. Step 4: Simplify right side
    1,925,118.72x = 2,831,068,241,414.14
  5. Step 5: Solve for x
    x = 2,831,068,241,414.14/1,925,118.72
  6. Step 6: Final answer
    x = 1,470,594.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.