Home / 1,630,400.40-2,444,725.80-682,700.40

Finding the Fourth Proportional to 1,630,400.40, 2,444,725.80 and 682,700.40

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Solution

The fourth proportional to 1,630,400.40, 2,444,725.80 and 682,700.40 is: 1,023,684.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,400.40 : 2,444,725.80 = 682,700.40 : x
  2. Step 2: Convert to fraction form
    1,630,400.40/2,444,725.80 = 682,700.40/x
  3. Step 3: Cross multiply
    1,630,400.40x = 2,444,725.80 × 682,700.40
  4. Step 4: Simplify right side
    1,630,400.40x = 1,669,015,281,550.32
  5. Step 5: Solve for x
    x = 1,669,015,281,550.32/1,630,400.40
  6. Step 6: Final answer
    x = 1,023,684.29

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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.