Home / 1,422,448.32-1,963,012.77-810,588

Finding the Fourth Proportional to 1,422,448.32, 1,963,012.77 and 810,588

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Solution

The fourth proportional to 1,422,448.32, 1,963,012.77 and 810,588 is: 1,118,630.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,448.32 : 1,963,012.77 = 810,588 : x
  2. Step 2: Convert to fraction form
    1,422,448.32/1,963,012.77 = 810,588/x
  3. Step 3: Cross multiply
    1,422,448.32x = 1,963,012.77 × 810,588
  4. Step 4: Simplify right side
    1,422,448.32x = 1,591,194,595,208.76
  5. Step 5: Solve for x
    x = 1,591,194,595,208.76/1,422,448.32
  6. Step 6: Final answer
    x = 1,118,630.87

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1.5x scale

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.