Home / 1,364,840.80-2,047,187.40-418,214.32

Finding the Fourth Proportional to 1,364,840.80, 2,047,187.40 and 418,214.32

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Solution

The fourth proportional to 1,364,840.80, 2,047,187.40 and 418,214.32 is: 627,298.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,364,840.80 : 2,047,187.40 = 418,214.32 : x
  2. Step 2: Convert to fraction form
    1,364,840.80/2,047,187.40 = 418,214.32/x
  3. Step 3: Cross multiply
    1,364,840.80x = 2,047,187.40 × 418,214.32
  4. Step 4: Simplify right side
    1,364,840.80x = 856,163,086,403.57
  5. Step 5: Solve for x
    x = 856,163,086,403.57/1,364,840.80
  6. Step 6: Final answer
    x = 627,298.87

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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.