Home / 1,738,688.31-2,399,388.26-974,742.03

Finding the Fourth Proportional to 1,738,688.31, 2,399,388.26 and 974,742.03

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Solution

The fourth proportional to 1,738,688.31, 2,399,388.26 and 974,742.03 is: 1,345,143.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,738,688.31 : 2,399,388.26 = 974,742.03 : x
  2. Step 2: Convert to fraction form
    1,738,688.31/2,399,388.26 = 974,742.03/x
  3. Step 3: Cross multiply
    1,738,688.31x = 2,399,388.26 × 974,742.03
  4. Step 4: Simplify right side
    1,738,688.31x = 2,338,784,578,436.86
  5. Step 5: Solve for x
    x = 2,338,784,578,436.86/1,738,688.31
  6. Step 6: Final answer
    x = 1,345,143.10

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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.