Home / 1,080,130.80-1,619,807.40-547,474.80

Finding the Fourth Proportional to 1,080,130.80, 1,619,807.40 and 547,474.80

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Solution

The fourth proportional to 1,080,130.80, 1,619,807.40 and 547,474.80 is: 821,015.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,130.80 : 1,619,807.40 = 547,474.80 : x
  2. Step 2: Convert to fraction form
    1,080,130.80/1,619,807.40 = 547,474.80/x
  3. Step 3: Cross multiply
    1,080,130.80x = 1,619,807.40 × 547,474.80
  4. Step 4: Simplify right side
    1,080,130.80x = 886,803,732,353.52
  5. Step 5: Solve for x
    x = 886,803,732,353.52/1,080,130.80
  6. Step 6: Final answer
    x = 821,015.13

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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.