Home / 1,761,827.45-2,431,662.72-1,148,916.12

Finding the Fourth Proportional to 1,761,827.45, 2,431,662.72 and 1,148,916.12

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Solution

The fourth proportional to 1,761,827.45, 2,431,662.72 and 1,148,916.12 is: 1,585,726.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,761,827.45 : 2,431,662.72 = 1,148,916.12 : x
  2. Step 2: Convert to fraction form
    1,761,827.45/2,431,662.72 = 1,148,916.12/x
  3. Step 3: Cross multiply
    1,761,827.45x = 2,431,662.72 × 1,148,916.12
  4. Step 4: Simplify right side
    1,761,827.45x = 2,793,776,497,411.05
  5. Step 5: Solve for x
    x = 2,793,776,497,411.05/1,761,827.45
  6. Step 6: Final answer
    x = 1,585,726.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.