Home / 1,688,686.31-2,533,589.97-551,485.61

Finding the Fourth Proportional to 1,688,686.31, 2,533,589.97 and 551,485.61

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Solution

The fourth proportional to 1,688,686.31, 2,533,589.97 and 551,485.61 is: 827,411.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,686.31 : 2,533,589.97 = 551,485.61 : x
  2. Step 2: Convert to fraction form
    1,688,686.31/2,533,589.97 = 551,485.61/x
  3. Step 3: Cross multiply
    1,688,686.31x = 2,533,589.97 × 551,485.61
  4. Step 4: Simplify right side
    1,688,686.31x = 1,397,238,410,095.33
  5. Step 5: Solve for x
    x = 1,397,238,410,095.33/1,688,686.31
  6. Step 6: Final answer
    x = 827,411.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.