Home / 1,071,827.11-1,606,517.65-431,721.14

Finding the Fourth Proportional to 1,071,827.11, 1,606,517.65 and 431,721.14

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Solution

The fourth proportional to 1,071,827.11, 1,606,517.65 and 431,721.14 is: 647,089.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,827.11 : 1,606,517.65 = 431,721.14 : x
  2. Step 2: Convert to fraction form
    1,071,827.11/1,606,517.65 = 431,721.14/x
  3. Step 3: Cross multiply
    1,071,827.11x = 1,606,517.65 × 431,721.14
  4. Step 4: Simplify right side
    1,071,827.11x = 693,567,634,225.11
  5. Step 5: Solve for x
    x = 693,567,634,225.11/1,071,827.11
  6. Step 6: Final answer
    x = 647,089.10

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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.