Home / 1,684,023.64-2,323,986.06-920,124.60

Finding the Fourth Proportional to 1,684,023.64, 2,323,986.06 and 920,124.60

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Solution

The fourth proportional to 1,684,023.64, 2,323,986.06 and 920,124.60 is: 1,269,790.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,684,023.64 : 2,323,986.06 = 920,124.60 : x
  2. Step 2: Convert to fraction form
    1,684,023.64/2,323,986.06 = 920,124.60/x
  3. Step 3: Cross multiply
    1,684,023.64x = 2,323,986.06 × 920,124.60
  4. Step 4: Simplify right side
    1,684,023.64x = 2,138,356,743,863.08
  5. Step 5: Solve for x
    x = 2,138,356,743,863.08/1,684,023.64
  6. Step 6: Final answer
    x = 1,269,790.22

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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.