Home / 1,260,314.64-1,725,318.63-1,251,309.06

Finding the Fourth Proportional to 1,260,314.64, 1,725,318.63 and 1,251,309.06

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Solution

The fourth proportional to 1,260,314.64, 1,725,318.63 and 1,251,309.06 is: 1,712,990.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,314.64 : 1,725,318.63 = 1,251,309.06 : x
  2. Step 2: Convert to fraction form
    1,260,314.64/1,725,318.63 = 1,251,309.06/x
  3. Step 3: Cross multiply
    1,260,314.64x = 1,725,318.63 × 1,251,309.06
  4. Step 4: Simplify right side
    1,260,314.64x = 2,158,906,833,105.79
  5. Step 5: Solve for x
    x = 2,158,906,833,105.79/1,260,314.64
  6. Step 6: Final answer
    x = 1,712,990.36

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.