Home / 1,340,397.20-2,010,595.80-808,518.80

Finding the Fourth Proportional to 1,340,397.20, 2,010,595.80 and 808,518.80

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Solution

The fourth proportional to 1,340,397.20, 2,010,595.80 and 808,518.80 is: 1,212,778.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,397.20 : 2,010,595.80 = 808,518.80 : x
  2. Step 2: Convert to fraction form
    1,340,397.20/2,010,595.80 = 808,518.80/x
  3. Step 3: Cross multiply
    1,340,397.20x = 2,010,595.80 × 808,518.80
  4. Step 4: Simplify right side
    1,340,397.20x = 1,625,604,503,501.04
  5. Step 5: Solve for x
    x = 1,625,604,503,501.04/1,340,397.20
  6. Step 6: Final answer
    x = 1,212,778.20

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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.