Home / 1,516,065.40-2,274,098.10-718,903.90

Finding the Fourth Proportional to 1,516,065.40, 2,274,098.10 and 718,903.90

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Solution

The fourth proportional to 1,516,065.40, 2,274,098.10 and 718,903.90 is: 1,078,355.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,516,065.40 : 2,274,098.10 = 718,903.90 : x
  2. Step 2: Convert to fraction form
    1,516,065.40/2,274,098.10 = 718,903.90/x
  3. Step 3: Cross multiply
    1,516,065.40x = 2,274,098.10 × 718,903.90
  4. Step 4: Simplify right side
    1,516,065.40x = 1,634,857,993,072.59
  5. Step 5: Solve for x
    x = 1,634,857,993,072.59/1,516,065.40
  6. Step 6: Final answer
    x = 1,078,355.85

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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.