Home / 1,684,121-2,324,059.88-920,158.16

Finding the Fourth Proportional to 1,684,121, 2,324,059.88 and 920,158.16

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Solution

The fourth proportional to 1,684,121, 2,324,059.88 and 920,158.16 is: 1,269,803.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,684,121 : 2,324,059.88 = 920,158.16 : x
  2. Step 2: Convert to fraction form
    1,684,121/2,324,059.88 = 920,158.16/x
  3. Step 3: Cross multiply
    1,684,121x = 2,324,059.88 × 920,158.16
  4. Step 4: Simplify right side
    1,684,121x = 2,138,502,662,910.62
  5. Step 5: Solve for x
    x = 2,138,502,662,910.62/1,684,121
  6. Step 6: Final answer
    x = 1,269,803.45

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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.