Home / 1,262,808.63-1,894,229.36-421,360.38

Finding the Fourth Proportional to 1,262,808.63, 1,894,229.36 and 421,360.38

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Solution

The fourth proportional to 1,262,808.63, 1,894,229.36 and 421,360.38 is: 632,046.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,808.63 : 1,894,229.36 = 421,360.38 : x
  2. Step 2: Convert to fraction form
    1,262,808.63/1,894,229.36 = 421,360.38/x
  3. Step 3: Cross multiply
    1,262,808.63x = 1,894,229.36 × 421,360.38
  4. Step 4: Simplify right side
    1,262,808.63x = 798,153,210,107.73
  5. Step 5: Solve for x
    x = 798,153,210,107.73/1,262,808.63
  6. Step 6: Final answer
    x = 632,046.05

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Double scale
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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.