Home / 1,085,612.20-1,628,418.30-525,740.20

Finding the Fourth Proportional to 1,085,612.20, 1,628,418.30 and 525,740.20

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Solution

The fourth proportional to 1,085,612.20, 1,628,418.30 and 525,740.20 is: 788,610.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,612.20 : 1,628,418.30 = 525,740.20 : x
  2. Step 2: Convert to fraction form
    1,085,612.20/1,628,418.30 = 525,740.20/x
  3. Step 3: Cross multiply
    1,085,612.20x = 1,628,418.30 × 525,740.20
  4. Step 4: Simplify right side
    1,085,612.20x = 856,124,962,725.66
  5. Step 5: Solve for x
    x = 856,124,962,725.66/1,085,612.20
  6. Step 6: Final answer
    x = 788,610.30

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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.