Home / 1,162,187.92-1,603,807.96-645,942.94

Finding the Fourth Proportional to 1,162,187.92, 1,603,807.96 and 645,942.94

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Solution

The fourth proportional to 1,162,187.92, 1,603,807.96 and 645,942.94 is: 891,394.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,162,187.92 : 1,603,807.96 = 645,942.94 : x
  2. Step 2: Convert to fraction form
    1,162,187.92/1,603,807.96 = 645,942.94/x
  3. Step 3: Cross multiply
    1,162,187.92x = 1,603,807.96 × 645,942.94
  4. Step 4: Simplify right side
    1,162,187.92x = 1,035,968,428,877.80
  5. Step 5: Solve for x
    x = 1,035,968,428,877.80/1,162,187.92
  6. Step 6: Final answer
    x = 891,394.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.