Home / 1,157,145.05-1,735,382.30-347,496.80

Finding the Fourth Proportional to 1,157,145.05, 1,735,382.30 and 347,496.80

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Solution

The fourth proportional to 1,157,145.05, 1,735,382.30 and 347,496.80 is: 521,144.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,145.05 : 1,735,382.30 = 347,496.80 : x
  2. Step 2: Convert to fraction form
    1,157,145.05/1,735,382.30 = 347,496.80/x
  3. Step 3: Cross multiply
    1,157,145.05x = 1,735,382.30 × 347,496.80
  4. Step 4: Simplify right side
    1,157,145.05x = 603,039,785,612.25
  5. Step 5: Solve for x
    x = 603,039,785,612.25/1,157,145.05
  6. Step 6: Final answer
    x = 521,144.51

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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.