Home / 1,321,542.19-1,823,666.56-748,586.46

Finding the Fourth Proportional to 1,321,542.19, 1,823,666.56 and 748,586.46

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Solution

The fourth proportional to 1,321,542.19, 1,823,666.56 and 748,586.46 is: 1,033,014.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,542.19 : 1,823,666.56 = 748,586.46 : x
  2. Step 2: Convert to fraction form
    1,321,542.19/1,823,666.56 = 748,586.46/x
  3. Step 3: Cross multiply
    1,321,542.19x = 1,823,666.56 × 748,586.46
  4. Step 4: Simplify right side
    1,321,542.19x = 1,365,172,094,370.78
  5. Step 5: Solve for x
    x = 1,365,172,094,370.78/1,321,542.19
  6. Step 6: Final answer
    x = 1,033,014.39

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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.