Home / 1,321,277.86-1,823,387.37-748,436.98

Finding the Fourth Proportional to 1,321,277.86, 1,823,387.37 and 748,436.98

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Solution

The fourth proportional to 1,321,277.86, 1,823,387.37 and 748,436.98 is: 1,032,856.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,277.86 : 1,823,387.37 = 748,436.98 : x
  2. Step 2: Convert to fraction form
    1,321,277.86/1,823,387.37 = 748,436.98/x
  3. Step 3: Cross multiply
    1,321,277.86x = 1,823,387.37 × 748,436.98
  4. Step 4: Simplify right side
    1,321,277.86x = 1,364,690,536,572.94
  5. Step 5: Solve for x
    x = 1,364,690,536,572.94/1,321,277.86
  6. Step 6: Final answer
    x = 1,032,856.58

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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.