Home / 1,340,061.23-1,849,278.42-728,202.41

Finding the Fourth Proportional to 1,340,061.23, 1,849,278.42 and 728,202.41

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Solution

The fourth proportional to 1,340,061.23, 1,849,278.42 and 728,202.41 is: 1,004,916.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,061.23 : 1,849,278.42 = 728,202.41 : x
  2. Step 2: Convert to fraction form
    1,340,061.23/1,849,278.42 = 728,202.41/x
  3. Step 3: Cross multiply
    1,340,061.23x = 1,849,278.42 × 728,202.41
  4. Step 4: Simplify right side
    1,340,061.23x = 1,346,649,002,204.99
  5. Step 5: Solve for x
    x = 1,346,649,002,204.99/1,340,061.23
  6. Step 6: Final answer
    x = 1,004,916.02

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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.