Home / 1,079,030.92-1,488,801.72-691,669.48

Finding the Fourth Proportional to 1,079,030.92, 1,488,801.72 and 691,669.48

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Solution

The fourth proportional to 1,079,030.92, 1,488,801.72 and 691,669.48 is: 954,336.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,030.92 : 1,488,801.72 = 691,669.48 : x
  2. Step 2: Convert to fraction form
    1,079,030.92/1,488,801.72 = 691,669.48/x
  3. Step 3: Cross multiply
    1,079,030.92x = 1,488,801.72 × 691,669.48
  4. Step 4: Simplify right side
    1,079,030.92x = 1,029,758,711,495.51
  5. Step 5: Solve for x
    x = 1,029,758,711,495.51/1,079,030.92
  6. Step 6: Final answer
    x = 954,336.61

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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.