Home / 1,395,062.20-2,092,617.58-384,178.96

Finding the Fourth Proportional to 1,395,062.20, 2,092,617.58 and 384,178.96

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Solution

The fourth proportional to 1,395,062.20, 2,092,617.58 and 384,178.96 is: 576,275.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,062.20 : 2,092,617.58 = 384,178.96 : x
  2. Step 2: Convert to fraction form
    1,395,062.20/2,092,617.58 = 384,178.96/x
  3. Step 3: Cross multiply
    1,395,062.20x = 2,092,617.58 × 384,178.96
  4. Step 4: Simplify right side
    1,395,062.20x = 803,939,645,562.12
  5. Step 5: Solve for x
    x = 803,939,645,562.12/1,395,062.20
  6. Step 6: Final answer
    x = 576,275.13

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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.