Home / 1,091,320.20-1,636,980.30-613,023.30

Finding the Fourth Proportional to 1,091,320.20, 1,636,980.30 and 613,023.30

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Solution

The fourth proportional to 1,091,320.20, 1,636,980.30 and 613,023.30 is: 919,534.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,320.20 : 1,636,980.30 = 613,023.30 : x
  2. Step 2: Convert to fraction form
    1,091,320.20/1,636,980.30 = 613,023.30/x
  3. Step 3: Cross multiply
    1,091,320.20x = 1,636,980.30 × 613,023.30
  4. Step 4: Simplify right side
    1,091,320.20x = 1,003,507,065,540.99
  5. Step 5: Solve for x
    x = 1,003,507,065,540.99/1,091,320.20
  6. Step 6: Final answer
    x = 919,534.95

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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.