Home / 1,155,659.40-1,733,673.78-356,753.16

Finding the Fourth Proportional to 1,155,659.40, 1,733,673.78 and 356,753.16

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Solution

The fourth proportional to 1,155,659.40, 1,733,673.78 and 356,753.16 is: 535,186.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,659.40 : 1,733,673.78 = 356,753.16 : x
  2. Step 2: Convert to fraction form
    1,155,659.40/1,733,673.78 = 356,753.16/x
  3. Step 3: Cross multiply
    1,155,659.40x = 1,733,673.78 × 356,753.16
  4. Step 4: Simplify right side
    1,155,659.40x = 618,493,599,424.15
  5. Step 5: Solve for x
    x = 618,493,599,424.15/1,155,659.40
  6. Step 6: Final answer
    x = 535,186.75

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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.