Home / 1,684,022.64-2,323,984.68-920,123.60

Finding the Fourth Proportional to 1,684,022.64, 2,323,984.68 and 920,123.60

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Solution

The fourth proportional to 1,684,022.64, 2,323,984.68 and 920,123.60 is: 1,269,788.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,684,022.64 : 2,323,984.68 = 920,123.60 : x
  2. Step 2: Convert to fraction form
    1,684,022.64/2,323,984.68 = 920,123.60/x
  3. Step 3: Cross multiply
    1,684,022.64x = 2,323,984.68 × 920,123.60
  4. Step 4: Simplify right side
    1,684,022.64x = 2,138,353,150,106.45
  5. Step 5: Solve for x
    x = 2,138,353,150,106.45/1,684,022.64
  6. Step 6: Final answer
    x = 1,269,788.84

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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.