Home / 912,822.52-1,259,270.90-590,636.41

Finding the Fourth Proportional to 912,822.52, 1,259,270.90 and 590,636.41

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Solution

The fourth proportional to 912,822.52, 1,259,270.90 and 590,636.41 is: 814,803.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,822.52 : 1,259,270.90 = 590,636.41 : x
  2. Step 2: Convert to fraction form
    912,822.52/1,259,270.90 = 590,636.41/x
  3. Step 3: Cross multiply
    912,822.52x = 1,259,270.90 × 590,636.41
  4. Step 4: Simplify right side
    912,822.52x = 743,771,243,593.47
  5. Step 5: Solve for x
    x = 743,771,243,593.47/912,822.52
  6. Step 6: Final answer
    x = 814,803.78

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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.