Home / 1,297,205.40-1,945,808.10-455,842.20

Finding the Fourth Proportional to 1,297,205.40, 1,945,808.10 and 455,842.20

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Solution

The fourth proportional to 1,297,205.40, 1,945,808.10 and 455,842.20 is: 683,763.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,205.40 : 1,945,808.10 = 455,842.20 : x
  2. Step 2: Convert to fraction form
    1,297,205.40/1,945,808.10 = 455,842.20/x
  3. Step 3: Cross multiply
    1,297,205.40x = 1,945,808.10 × 455,842.20
  4. Step 4: Simplify right side
    1,297,205.40x = 886,981,445,081.82
  5. Step 5: Solve for x
    x = 886,981,445,081.82/1,297,205.40
  6. Step 6: Final answer
    x = 683,763.30

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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.