Home / 1,262,044.08-1,741,645.08-689,106.96

Finding the Fourth Proportional to 1,262,044.08, 1,741,645.08 and 689,106.96

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Solution

The fourth proportional to 1,262,044.08, 1,741,645.08 and 689,106.96 is: 950,980.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,044.08 : 1,741,645.08 = 689,106.96 : x
  2. Step 2: Convert to fraction form
    1,262,044.08/1,741,645.08 = 689,106.96/x
  3. Step 3: Cross multiply
    1,262,044.08x = 1,741,645.08 × 689,106.96
  4. Step 4: Simplify right side
    1,262,044.08x = 1,200,179,746,477.76
  5. Step 5: Solve for x
    x = 1,200,179,746,477.76/1,262,044.08
  6. Step 6: Final answer
    x = 950,980.85

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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.