Home / 1,085,686.80-1,498,427.42-602,407.68

Finding the Fourth Proportional to 1,085,686.80, 1,498,427.42 and 602,407.68

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Solution

The fourth proportional to 1,085,686.80, 1,498,427.42 and 602,407.68 is: 831,422.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,686.80 : 1,498,427.42 = 602,407.68 : x
  2. Step 2: Convert to fraction form
    1,085,686.80/1,498,427.42 = 602,407.68/x
  3. Step 3: Cross multiply
    1,085,686.80x = 1,498,427.42 × 602,407.68
  4. Step 4: Simplify right side
    1,085,686.80x = 902,664,185,730.59
  5. Step 5: Solve for x
    x = 902,664,185,730.59/1,085,686.80
  6. Step 6: Final answer
    x = 831,422.27

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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.