Home / 1,237,110.12-1,707,141.57-720,948.05

Finding the Fourth Proportional to 1,237,110.12, 1,707,141.57 and 720,948.05

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Solution

The fourth proportional to 1,237,110.12, 1,707,141.57 and 720,948.05 is: 994,867.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,110.12 : 1,707,141.57 = 720,948.05 : x
  2. Step 2: Convert to fraction form
    1,237,110.12/1,707,141.57 = 720,948.05/x
  3. Step 3: Cross multiply
    1,237,110.12x = 1,707,141.57 × 720,948.05
  4. Step 4: Simplify right side
    1,237,110.12x = 1,230,760,392,925.72
  5. Step 5: Solve for x
    x = 1,230,760,392,925.72/1,237,110.12
  6. Step 6: Final answer
    x = 994,867.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.