Home / 1,039,695.63-1,555,995.03-871,405.98

Finding the Fourth Proportional to 1,039,695.63, 1,555,995.03 and 871,405.98

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Solution

The fourth proportional to 1,039,695.63, 1,555,995.03 and 871,405.98 is: 1,304,134.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,695.63 : 1,555,995.03 = 871,405.98 : x
  2. Step 2: Convert to fraction form
    1,039,695.63/1,555,995.03 = 871,405.98/x
  3. Step 3: Cross multiply
    1,039,695.63x = 1,555,995.03 × 871,405.98
  4. Step 4: Simplify right side
    1,039,695.63x = 1,355,903,373,992.28
  5. Step 5: Solve for x
    x = 1,355,903,373,992.28/1,039,695.63
  6. Step 6: Final answer
    x = 1,304,134.92

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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.