Home / 1,515,398.78-2,090,594.32-926,724.06

Finding the Fourth Proportional to 1,515,398.78, 2,090,594.32 and 926,724.06

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Solution

The fourth proportional to 1,515,398.78, 2,090,594.32 and 926,724.06 is: 1,278,478.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,398.78 : 2,090,594.32 = 926,724.06 : x
  2. Step 2: Convert to fraction form
    1,515,398.78/2,090,594.32 = 926,724.06/x
  3. Step 3: Cross multiply
    1,515,398.78x = 2,090,594.32 × 926,724.06
  4. Step 4: Simplify right side
    1,515,398.78x = 1,937,404,056,043.34
  5. Step 5: Solve for x
    x = 1,937,404,056,043.34/1,515,398.78
  6. Step 6: Final answer
    x = 1,278,478.04

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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.