Home / 1,819,928.80-2,732,139.60-1,146,008.80

Finding the Fourth Proportional to 1,819,928.80, 2,732,139.60 and 1,146,008.80

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Solution

The fourth proportional to 1,819,928.80, 2,732,139.60 and 1,146,008.80 is: 1,720,427.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819,928.80 : 2,732,139.60 = 1,146,008.80 : x
  2. Step 2: Convert to fraction form
    1,819,928.80/2,732,139.60 = 1,146,008.80/x
  3. Step 3: Cross multiply
    1,819,928.80x = 2,732,139.60 × 1,146,008.80
  4. Step 4: Simplify right side
    1,819,928.80x = 3,131,056,024,428.48
  5. Step 5: Solve for x
    x = 3,131,056,024,428.48/1,819,928.80
  6. Step 6: Final answer
    x = 1,720,427.76

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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.