Home / 1,458,799.68-2,192,048.16-785,378.88

Finding the Fourth Proportional to 1,458,799.68, 2,192,048.16 and 785,378.88

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Solution

The fourth proportional to 1,458,799.68, 2,192,048.16 and 785,378.88 is: 1,180,140.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,799.68 : 2,192,048.16 = 785,378.88 : x
  2. Step 2: Convert to fraction form
    1,458,799.68/2,192,048.16 = 785,378.88/x
  3. Step 3: Cross multiply
    1,458,799.68x = 2,192,048.16 × 785,378.88
  4. Step 4: Simplify right side
    1,458,799.68x = 1,721,588,328,806.86
  5. Step 5: Solve for x
    x = 1,721,588,328,806.86/1,458,799.68
  6. Step 6: Final answer
    x = 1,180,140.33

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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.