Home / 1,977,419.32-2,729,129.85-1,252,334.45

Finding the Fourth Proportional to 1,977,419.32, 2,729,129.85 and 1,252,334.45

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Solution

The fourth proportional to 1,977,419.32, 2,729,129.85 and 1,252,334.45 is: 1,728,405.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977,419.32 : 2,729,129.85 = 1,252,334.45 : x
  2. Step 2: Convert to fraction form
    1,977,419.32/2,729,129.85 = 1,252,334.45/x
  3. Step 3: Cross multiply
    1,977,419.32x = 2,729,129.85 × 1,252,334.45
  4. Step 4: Simplify right side
    1,977,419.32x = 3,417,783,323,416.66
  5. Step 5: Solve for x
    x = 3,417,783,323,416.66/1,977,419.32
  6. Step 6: Final answer
    x = 1,728,405.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.