Home / 1,612,656.18-2,420,480.88-814,498.20

Finding the Fourth Proportional to 1,612,656.18, 2,420,480.88 and 814,498.20

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Solution

The fourth proportional to 1,612,656.18, 2,420,480.88 and 814,498.20 is: 1,222,503.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,612,656.18 : 2,420,480.88 = 814,498.20 : x
  2. Step 2: Convert to fraction form
    1,612,656.18/2,420,480.88 = 814,498.20/x
  3. Step 3: Cross multiply
    1,612,656.18x = 2,420,480.88 × 814,498.20
  4. Step 4: Simplify right side
    1,612,656.18x = 1,971,477,319,894.42
  5. Step 5: Solve for x
    x = 1,971,477,319,894.42/1,612,656.18
  6. Step 6: Final answer
    x = 1,222,503.19

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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.