Home / 1,346,291.57-1,865,742.21-1,320,743.66

Finding the Fourth Proportional to 1,346,291.57, 1,865,742.21 and 1,320,743.66

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Solution

The fourth proportional to 1,346,291.57, 1,865,742.21 and 1,320,743.66 is: 1,830,336.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,291.57 : 1,865,742.21 = 1,320,743.66 : x
  2. Step 2: Convert to fraction form
    1,346,291.57/1,865,742.21 = 1,320,743.66/x
  3. Step 3: Cross multiply
    1,346,291.57x = 1,865,742.21 × 1,320,743.66
  4. Step 4: Simplify right side
    1,346,291.57x = 2,464,167,185,723.18
  5. Step 5: Solve for x
    x = 2,464,167,185,723.18/1,346,291.57
  6. Step 6: Final answer
    x = 1,830,336.94

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.