Home / 1,071,827.92-1,606,518.87-431,721.96

Finding the Fourth Proportional to 1,071,827.92, 1,606,518.87 and 431,721.96

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Solution

The fourth proportional to 1,071,827.92, 1,606,518.87 and 431,721.96 is: 647,090.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,827.92 : 1,606,518.87 = 431,721.96 : x
  2. Step 2: Convert to fraction form
    1,071,827.92/1,606,518.87 = 431,721.96/x
  3. Step 3: Cross multiply
    1,071,827.92x = 1,606,518.87 × 431,721.96
  4. Step 4: Simplify right side
    1,071,827.92x = 693,569,475,333.39
  5. Step 5: Solve for x
    x = 693,569,475,333.39/1,071,827.92
  6. Step 6: Final answer
    x = 647,090.32

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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.