Home / 1,200,160.16-1,656,168.30-684,025.78

Finding the Fourth Proportional to 1,200,160.16, 1,656,168.30 and 684,025.78

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Solution

The fourth proportional to 1,200,160.16, 1,656,168.30 and 684,025.78 is: 943,925.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,160.16 : 1,656,168.30 = 684,025.78 : x
  2. Step 2: Convert to fraction form
    1,200,160.16/1,656,168.30 = 684,025.78/x
  3. Step 3: Cross multiply
    1,200,160.16x = 1,656,168.30 × 684,025.78
  4. Step 4: Simplify right side
    1,200,160.16x = 1,132,861,813,218.77
  5. Step 5: Solve for x
    x = 1,132,861,813,218.77/1,200,160.16
  6. Step 6: Final answer
    x = 943,925.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.