Home / 1,102,507.40-1,653,809.70-622,728.20

Finding the Fourth Proportional to 1,102,507.40, 1,653,809.70 and 622,728.20

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Solution

The fourth proportional to 1,102,507.40, 1,653,809.70 and 622,728.20 is: 934,119.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,507.40 : 1,653,809.70 = 622,728.20 : x
  2. Step 2: Convert to fraction form
    1,102,507.40/1,653,809.70 = 622,728.20/x
  3. Step 3: Cross multiply
    1,102,507.40x = 1,653,809.70 × 622,728.20
  4. Step 4: Simplify right side
    1,102,507.40x = 1,029,873,937,623.54
  5. Step 5: Solve for x
    x = 1,029,873,937,623.54/1,102,507.40
  6. Step 6: Final answer
    x = 934,119.75

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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.