Home / 1,422,447.32-1,963,011.39-810,587

Finding the Fourth Proportional to 1,422,447.32, 1,963,011.39 and 810,587

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Solution

The fourth proportional to 1,422,447.32, 1,963,011.39 and 810,587 is: 1,118,629.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,447.32 : 1,963,011.39 = 810,587 : x
  2. Step 2: Convert to fraction form
    1,422,447.32/1,963,011.39 = 810,587/x
  3. Step 3: Cross multiply
    1,422,447.32x = 1,963,011.39 × 810,587
  4. Step 4: Simplify right side
    1,422,447.32x = 1,591,191,513,585.93
  5. Step 5: Solve for x
    x = 1,591,191,513,585.93/1,422,447.32
  6. Step 6: Final answer
    x = 1,118,629.49

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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.