Home / 1,091,028.24-1,636,765.92-459,943.20

Finding the Fourth Proportional to 1,091,028.24, 1,636,765.92 and 459,943.20

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Solution

The fourth proportional to 1,091,028.24, 1,636,765.92 and 459,943.20 is: 690,009.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,028.24 : 1,636,765.92 = 459,943.20 : x
  2. Step 2: Convert to fraction form
    1,091,028.24/1,636,765.92 = 459,943.20/x
  3. Step 3: Cross multiply
    1,091,028.24x = 1,636,765.92 × 459,943.20
  4. Step 4: Simplify right side
    1,091,028.24x = 752,819,354,895.74
  5. Step 5: Solve for x
    x = 752,819,354,895.74/1,091,028.24
  6. Step 6: Final answer
    x = 690,009.05

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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.