Home / 1,276,631.32-1,914,681.66-377,862.16

Finding the Fourth Proportional to 1,276,631.32, 1,914,681.66 and 377,862.16

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Solution

The fourth proportional to 1,276,631.32, 1,914,681.66 and 377,862.16 is: 566,714.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,631.32 : 1,914,681.66 = 377,862.16 : x
  2. Step 2: Convert to fraction form
    1,276,631.32/1,914,681.66 = 377,862.16/x
  3. Step 3: Cross multiply
    1,276,631.32x = 1,914,681.66 × 377,862.16
  4. Step 4: Simplify right side
    1,276,631.32x = 723,485,747,759.99
  5. Step 5: Solve for x
    x = 723,485,747,759.99/1,276,631.32
  6. Step 6: Final answer
    x = 566,714.71

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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.