Home / 1,437,238.16-2,155,857.24-439,836.56

Finding the Fourth Proportional to 1,437,238.16, 2,155,857.24 and 439,836.56

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Solution

The fourth proportional to 1,437,238.16, 2,155,857.24 and 439,836.56 is: 659,754.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437,238.16 : 2,155,857.24 = 439,836.56 : x
  2. Step 2: Convert to fraction form
    1,437,238.16/2,155,857.24 = 439,836.56/x
  3. Step 3: Cross multiply
    1,437,238.16x = 2,155,857.24 × 439,836.56
  4. Step 4: Simplify right side
    1,437,238.16x = 948,224,832,292.70
  5. Step 5: Solve for x
    x = 948,224,832,292.70/1,437,238.16
  6. Step 6: Final answer
    x = 659,754.84

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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.