Home / 1,340,548.43-1,849,943.79-997,916.58

Finding the Fourth Proportional to 1,340,548.43, 1,849,943.79 and 997,916.58

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Solution

The fourth proportional to 1,340,548.43, 1,849,943.79 and 997,916.58 is: 1,377,115.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,548.43 : 1,849,943.79 = 997,916.58 : x
  2. Step 2: Convert to fraction form
    1,340,548.43/1,849,943.79 = 997,916.58/x
  3. Step 3: Cross multiply
    1,340,548.43x = 1,849,943.79 × 997,916.58
  4. Step 4: Simplify right side
    1,340,548.43x = 1,846,089,580,109.04
  5. Step 5: Solve for x
    x = 1,846,089,580,109.04/1,340,548.43
  6. Step 6: Final answer
    x = 1,377,115.18

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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.