Home / 1,276,478.88-1,914,998.31-377,990.70

Finding the Fourth Proportional to 1,276,478.88, 1,914,998.31 and 377,990.70

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Solution

The fourth proportional to 1,276,478.88, 1,914,998.31 and 377,990.70 is: 567,068.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,478.88 : 1,914,998.31 = 377,990.70 : x
  2. Step 2: Convert to fraction form
    1,276,478.88/1,914,998.31 = 377,990.70/x
  3. Step 3: Cross multiply
    1,276,478.88x = 1,914,998.31 × 377,990.70
  4. Step 4: Simplify right side
    1,276,478.88x = 723,851,551,695.72
  5. Step 5: Solve for x
    x = 723,851,551,695.72/1,276,478.88
  6. Step 6: Final answer
    x = 567,068.96

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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.