Home / 1,085,667.80-1,498,401.20-602,388.63

Finding the Fourth Proportional to 1,085,667.80, 1,498,401.20 and 602,388.63

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Solution

The fourth proportional to 1,085,667.80, 1,498,401.20 and 602,388.63 is: 831,395.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,667.80 : 1,498,401.20 = 602,388.63 : x
  2. Step 2: Convert to fraction form
    1,085,667.80/1,498,401.20 = 602,388.63/x
  3. Step 3: Cross multiply
    1,085,667.80x = 1,498,401.20 × 602,388.63
  4. Step 4: Simplify right side
    1,085,667.80x = 902,619,843,046.41
  5. Step 5: Solve for x
    x = 902,619,843,046.41/1,085,667.80
  6. Step 6: Final answer
    x = 831,395.98

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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.