Home / 1,382,705.10-2,074,057.65-904,408.20

Finding the Fourth Proportional to 1,382,705.10, 2,074,057.65 and 904,408.20

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Solution

The fourth proportional to 1,382,705.10, 2,074,057.65 and 904,408.20 is: 1,356,612.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,705.10 : 2,074,057.65 = 904,408.20 : x
  2. Step 2: Convert to fraction form
    1,382,705.10/2,074,057.65 = 904,408.20/x
  3. Step 3: Cross multiply
    1,382,705.10x = 2,074,057.65 × 904,408.20
  4. Step 4: Simplify right side
    1,382,705.10x = 1,875,794,745,932.73
  5. Step 5: Solve for x
    x = 1,875,794,745,932.73/1,382,705.10
  6. Step 6: Final answer
    x = 1,356,612.30

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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.