Home / 1,436,659.78-2,155,000.44-637,726.54

Finding the Fourth Proportional to 1,436,659.78, 2,155,000.44 and 637,726.54

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Solution

The fourth proportional to 1,436,659.78, 2,155,000.44 and 637,726.54 is: 956,594.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,659.78 : 2,155,000.44 = 637,726.54 : x
  2. Step 2: Convert to fraction form
    1,436,659.78/2,155,000.44 = 637,726.54/x
  3. Step 3: Cross multiply
    1,436,659.78x = 2,155,000.44 × 637,726.54
  4. Step 4: Simplify right side
    1,436,659.78x = 1,374,300,974,299.68
  5. Step 5: Solve for x
    x = 1,374,300,974,299.68/1,436,659.78
  6. Step 6: Final answer
    x = 956,594.59

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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.