Home / 1,422,445.32-1,963,008.63-810,585

Finding the Fourth Proportional to 1,422,445.32, 1,963,008.63 and 810,585

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Solution

The fourth proportional to 1,422,445.32, 1,963,008.63 and 810,585 is: 1,118,626.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,445.32 : 1,963,008.63 = 810,585 : x
  2. Step 2: Convert to fraction form
    1,422,445.32/1,963,008.63 = 810,585/x
  3. Step 3: Cross multiply
    1,422,445.32x = 1,963,008.63 × 810,585
  4. Step 4: Simplify right side
    1,422,445.32x = 1,591,185,350,348.55
  5. Step 5: Solve for x
    x = 1,591,185,350,348.55/1,422,445.32
  6. Step 6: Final answer
    x = 1,118,626.73

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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.