Home / 1,025,403.49-1,538,433.82-717,975.71

Finding the Fourth Proportional to 1,025,403.49, 1,538,433.82 and 717,975.71

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Solution

The fourth proportional to 1,025,403.49, 1,538,433.82 and 717,975.71 is: 1,077,193.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,403.49 : 1,538,433.82 = 717,975.71 : x
  2. Step 2: Convert to fraction form
    1,025,403.49/1,538,433.82 = 717,975.71/x
  3. Step 3: Cross multiply
    1,025,403.49x = 1,538,433.82 × 717,975.71
  4. Step 4: Simplify right side
    1,025,403.49x = 1,104,558,104,715.40
  5. Step 5: Solve for x
    x = 1,104,558,104,715.40/1,025,403.49
  6. Step 6: Final answer
    x = 1,077,193.63

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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.