Home / 1,238,655.12-1,857,979.21-340,097.82

Finding the Fourth Proportional to 1,238,655.12, 1,857,979.21 and 340,097.82

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Solution

The fourth proportional to 1,238,655.12, 1,857,979.21 and 340,097.82 is: 510,145.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,655.12 : 1,857,979.21 = 340,097.82 : x
  2. Step 2: Convert to fraction form
    1,238,655.12/1,857,979.21 = 340,097.82/x
  3. Step 3: Cross multiply
    1,238,655.12x = 1,857,979.21 × 340,097.82
  4. Step 4: Simplify right side
    1,238,655.12x = 631,894,678,926.32
  5. Step 5: Solve for x
    x = 631,894,678,926.32/1,238,655.12
  6. Step 6: Final answer
    x = 510,145.78

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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.