Home / 1,276,756.96-1,914,546.64-377,877.28

Finding the Fourth Proportional to 1,276,756.96, 1,914,546.64 and 377,877.28

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Solution

The fourth proportional to 1,276,756.96, 1,914,546.64 and 377,877.28 is: 566,641.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,756.96 : 1,914,546.64 = 377,877.28 : x
  2. Step 2: Convert to fraction form
    1,276,756.96/1,914,546.64 = 377,877.28/x
  3. Step 3: Cross multiply
    1,276,756.96x = 1,914,546.64 × 377,877.28
  4. Step 4: Simplify right side
    1,276,756.96x = 723,463,676,756.34
  5. Step 5: Solve for x
    x = 723,463,676,756.34/1,276,756.96
  6. Step 6: Final answer
    x = 566,641.65

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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.