Home / 1,106,240.72-1,657,961.40-706,727.12

Finding the Fourth Proportional to 1,106,240.72, 1,657,961.40 and 706,727.12

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Solution

The fourth proportional to 1,106,240.72, 1,657,961.40 and 706,727.12 is: 1,059,196.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,240.72 : 1,657,961.40 = 706,727.12 : x
  2. Step 2: Convert to fraction form
    1,106,240.72/1,657,961.40 = 706,727.12/x
  3. Step 3: Cross multiply
    1,106,240.72x = 1,657,961.40 × 706,727.12
  4. Step 4: Simplify right side
    1,106,240.72x = 1,171,726,285,293.17
  5. Step 5: Solve for x
    x = 1,171,726,285,293.17/1,106,240.72
  6. Step 6: Final answer
    x = 1,059,196.49

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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.