Home / 1,341,252.40-2,010,712.20-808,207.60

Finding the Fourth Proportional to 1,341,252.40, 2,010,712.20 and 808,207.60

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Solution

The fourth proportional to 1,341,252.40, 2,010,712.20 and 808,207.60 is: 1,211,608.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,252.40 : 2,010,712.20 = 808,207.60 : x
  2. Step 2: Convert to fraction form
    1,341,252.40/2,010,712.20 = 808,207.60/x
  3. Step 3: Cross multiply
    1,341,252.40x = 2,010,712.20 × 808,207.60
  4. Step 4: Simplify right side
    1,341,252.40x = 1,625,072,881,452.72
  5. Step 5: Solve for x
    x = 1,625,072,881,452.72/1,341,252.40
  6. Step 6: Final answer
    x = 1,211,608.55

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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.