Home / 1,389,528.12-2,084,888.32-537,198.40

Finding the Fourth Proportional to 1,389,528.12, 2,084,888.32 and 537,198.40

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Solution

The fourth proportional to 1,389,528.12, 2,084,888.32 and 537,198.40 is: 806,028.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,528.12 : 2,084,888.32 = 537,198.40 : x
  2. Step 2: Convert to fraction form
    1,389,528.12/2,084,888.32 = 537,198.40/x
  3. Step 3: Cross multiply
    1,389,528.12x = 2,084,888.32 × 537,198.40
  4. Step 4: Simplify right side
    1,389,528.12x = 1,119,998,669,682.69
  5. Step 5: Solve for x
    x = 1,119,998,669,682.69/1,389,528.12
  6. Step 6: Final answer
    x = 806,028.07

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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.