Home / 1,107,569.70-1,661,723.10-397,653.30

Finding the Fourth Proportional to 1,107,569.70, 1,661,723.10 and 397,653.30

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Solution

The fourth proportional to 1,107,569.70, 1,661,723.10 and 397,653.30 is: 596,612.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,569.70 : 1,661,723.10 = 397,653.30 : x
  2. Step 2: Convert to fraction form
    1,107,569.70/1,661,723.10 = 397,653.30/x
  3. Step 3: Cross multiply
    1,107,569.70x = 1,661,723.10 × 397,653.30
  4. Step 4: Simplify right side
    1,107,569.70x = 660,789,674,401.23
  5. Step 5: Solve for x
    x = 660,789,674,401.23/1,107,569.70
  6. Step 6: Final answer
    x = 596,612.27

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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.