Home / 1,449,685.86-2,174,359.80-384,810.72

Finding the Fourth Proportional to 1,449,685.86, 2,174,359.80 and 384,810.72

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Solution

The fourth proportional to 1,449,685.86, 2,174,359.80 and 384,810.72 is: 577,171.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449,685.86 : 2,174,359.80 = 384,810.72 : x
  2. Step 2: Convert to fraction form
    1,449,685.86/2,174,359.80 = 384,810.72/x
  3. Step 3: Cross multiply
    1,449,685.86x = 2,174,359.80 × 384,810.72
  4. Step 4: Simplify right side
    1,449,685.86x = 836,716,960,177.06
  5. Step 5: Solve for x
    x = 836,716,960,177.06/1,449,685.86
  6. Step 6: Final answer
    x = 577,171.22

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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.