Home / 1,412,863.90-2,118,999.39-466,012.78

Finding the Fourth Proportional to 1,412,863.90, 2,118,999.39 and 466,012.78

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Solution

The fourth proportional to 1,412,863.90, 2,118,999.39 and 466,012.78 is: 698,921.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,863.90 : 2,118,999.39 = 466,012.78 : x
  2. Step 2: Convert to fraction form
    1,412,863.90/2,118,999.39 = 466,012.78/x
  3. Step 3: Cross multiply
    1,412,863.90x = 2,118,999.39 × 466,012.78
  4. Step 4: Simplify right side
    1,412,863.90x = 987,480,796,552.20
  5. Step 5: Solve for x
    x = 987,480,796,552.20/1,412,863.90
  6. Step 6: Final answer
    x = 698,921.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.