Home / 1,190,977.84-1,785,462.40-516,551.20

Finding the Fourth Proportional to 1,190,977.84, 1,785,462.40 and 516,551.20

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Solution

The fourth proportional to 1,190,977.84, 1,785,462.40 and 516,551.20 is: 774,391.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,977.84 : 1,785,462.40 = 516,551.20 : x
  2. Step 2: Convert to fraction form
    1,190,977.84/1,785,462.40 = 516,551.20/x
  3. Step 3: Cross multiply
    1,190,977.84x = 1,785,462.40 × 516,551.20
  4. Step 4: Simplify right side
    1,190,977.84x = 922,282,745,274.88
  5. Step 5: Solve for x
    x = 922,282,745,274.88/1,190,977.84
  6. Step 6: Final answer
    x = 774,391.19

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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.