Home / 1,725,229.79-2,380,826.55-1,000,507.20

Finding the Fourth Proportional to 1,725,229.79, 2,380,826.55 and 1,000,507.20

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Solution

The fourth proportional to 1,725,229.79, 2,380,826.55 and 1,000,507.20 is: 1,380,705.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,725,229.79 : 2,380,826.55 = 1,000,507.20 : x
  2. Step 2: Convert to fraction form
    1,725,229.79/2,380,826.55 = 1,000,507.20/x
  3. Step 3: Cross multiply
    1,725,229.79x = 2,380,826.55 × 1,000,507.20
  4. Step 4: Simplify right side
    1,725,229.79x = 2,382,034,105,226.16
  5. Step 5: Solve for x
    x = 2,382,034,105,226.16/1,725,229.79
  6. Step 6: Final answer
    x = 1,380,705.41

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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.