Home / 1,507,047.12-2,079,716.60-818,713.50

Finding the Fourth Proportional to 1,507,047.12, 2,079,716.60 and 818,713.50

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Solution

The fourth proportional to 1,507,047.12, 2,079,716.60 and 818,713.50 is: 1,129,820.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507,047.12 : 2,079,716.60 = 818,713.50 : x
  2. Step 2: Convert to fraction form
    1,507,047.12/2,079,716.60 = 818,713.50/x
  3. Step 3: Cross multiply
    1,507,047.12x = 2,079,716.60 × 818,713.50
  4. Step 4: Simplify right side
    1,507,047.12x = 1,702,692,056,594.10
  5. Step 5: Solve for x
    x = 1,702,692,056,594.10/1,507,047.12
  6. Step 6: Final answer
    x = 1,129,820.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.