Home / 1,422,645.04-1,963,222.68-778,063.24

Finding the Fourth Proportional to 1,422,645.04, 1,963,222.68 and 778,063.24

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Solution

The fourth proportional to 1,422,645.04, 1,963,222.68 and 778,063.24 is: 1,073,712.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,645.04 : 1,963,222.68 = 778,063.24 : x
  2. Step 2: Convert to fraction form
    1,422,645.04/1,963,222.68 = 778,063.24/x
  3. Step 3: Cross multiply
    1,422,645.04x = 1,963,222.68 × 778,063.24
  4. Step 4: Simplify right side
    1,422,645.04x = 1,527,511,399,242.28
  5. Step 5: Solve for x
    x = 1,527,511,399,242.28/1,422,645.04
  6. Step 6: Final answer
    x = 1,073,712.24

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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.