Home / 1,563,405.80-2,338,110.30-1,311,463.40

Finding the Fourth Proportional to 1,563,405.80, 2,338,110.30 and 1,311,463.40

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Solution

The fourth proportional to 1,563,405.80, 2,338,110.30 and 1,311,463.40 is: 1,961,324.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,563,405.80 : 2,338,110.30 = 1,311,463.40 : x
  2. Step 2: Convert to fraction form
    1,563,405.80/2,338,110.30 = 1,311,463.40/x
  3. Step 3: Cross multiply
    1,563,405.80x = 2,338,110.30 × 1,311,463.40
  4. Step 4: Simplify right side
    1,563,405.80x = 3,066,346,083,613.02
  5. Step 5: Solve for x
    x = 3,066,346,083,613.02/1,563,405.80
  6. Step 6: Final answer
    x = 1,961,324.49

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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.