Home / 1,422,644.04-1,963,221.30-778,062.24

Finding the Fourth Proportional to 1,422,644.04, 1,963,221.30 and 778,062.24

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Solution

The fourth proportional to 1,422,644.04, 1,963,221.30 and 778,062.24 is: 1,073,710.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,644.04 : 1,963,221.30 = 778,062.24 : x
  2. Step 2: Convert to fraction form
    1,422,644.04/1,963,221.30 = 778,062.24/x
  3. Step 3: Cross multiply
    1,422,644.04x = 1,963,221.30 × 778,062.24
  4. Step 4: Simplify right side
    1,422,644.04x = 1,527,508,362,293.71
  5. Step 5: Solve for x
    x = 1,527,508,362,293.71/1,422,644.04
  6. Step 6: Final answer
    x = 1,073,710.86

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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.