Home / 1,386,386.40-2,079,579.60-1,106,450.40

Finding the Fourth Proportional to 1,386,386.40, 2,079,579.60 and 1,106,450.40

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Solution

The fourth proportional to 1,386,386.40, 2,079,579.60 and 1,106,450.40 is: 1,659,675.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,386.40 : 2,079,579.60 = 1,106,450.40 : x
  2. Step 2: Convert to fraction form
    1,386,386.40/2,079,579.60 = 1,106,450.40/x
  3. Step 3: Cross multiply
    1,386,386.40x = 2,079,579.60 × 1,106,450.40
  4. Step 4: Simplify right side
    1,386,386.40x = 2,300,951,680,251.84
  5. Step 5: Solve for x
    x = 2,300,951,680,251.84/1,386,386.40
  6. Step 6: Final answer
    x = 1,659,675.60

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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.