Home / 1,787,645.09-2,466,998.90-971,903.66

Finding the Fourth Proportional to 1,787,645.09, 2,466,998.90 and 971,903.66

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Solution

The fourth proportional to 1,787,645.09, 2,466,998.90 and 971,903.66 is: 1,341,253.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,645.09 : 2,466,998.90 = 971,903.66 : x
  2. Step 2: Convert to fraction form
    1,787,645.09/2,466,998.90 = 971,903.66/x
  3. Step 3: Cross multiply
    1,787,645.09x = 2,466,998.90 × 971,903.66
  4. Step 4: Simplify right side
    1,787,645.09x = 2,397,685,260,125.97
  5. Step 5: Solve for x
    x = 2,397,685,260,125.97/1,787,645.09
  6. Step 6: Final answer
    x = 1,341,253.51

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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.