Home / 1,486,837.13-2,230,248.40-421,881.12

Finding the Fourth Proportional to 1,486,837.13, 2,230,248.40 and 421,881.12

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Solution

The fourth proportional to 1,486,837.13, 2,230,248.40 and 421,881.12 is: 632,819.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486,837.13 : 2,230,248.40 = 421,881.12 : x
  2. Step 2: Convert to fraction form
    1,486,837.13/2,230,248.40 = 421,881.12/x
  3. Step 3: Cross multiply
    1,486,837.13x = 2,230,248.40 × 421,881.12
  4. Step 4: Simplify right side
    1,486,837.13x = 940,899,691,815.51
  5. Step 5: Solve for x
    x = 940,899,691,815.51/1,486,837.13
  6. Step 6: Final answer
    x = 632,819.61

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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.