Home / 1,372,788.86-2,057,811.55-651,862.13

Finding the Fourth Proportional to 1,372,788.86, 2,057,811.55 and 651,862.13

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Solution

The fourth proportional to 1,372,788.86, 2,057,811.55 and 651,862.13 is: 977,141.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372,788.86 : 2,057,811.55 = 651,862.13 : x
  2. Step 2: Convert to fraction form
    1,372,788.86/2,057,811.55 = 651,862.13/x
  3. Step 3: Cross multiply
    1,372,788.86x = 2,057,811.55 × 651,862.13
  4. Step 4: Simplify right side
    1,372,788.86x = 1,341,409,408,202.89
  5. Step 5: Solve for x
    x = 1,341,409,408,202.89/1,372,788.86
  6. Step 6: Final answer
    x = 977,141.83

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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.