Home / 1,087,216.38-1,500,396.51-603,789.57

Finding the Fourth Proportional to 1,087,216.38, 1,500,396.51 and 603,789.57

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Solution

The fourth proportional to 1,087,216.38, 1,500,396.51 and 603,789.57 is: 833,250.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,216.38 : 1,500,396.51 = 603,789.57 : x
  2. Step 2: Convert to fraction form
    1,087,216.38/1,500,396.51 = 603,789.57/x
  3. Step 3: Cross multiply
    1,087,216.38x = 1,500,396.51 × 603,789.57
  4. Step 4: Simplify right side
    1,087,216.38x = 905,923,763,602.40
  5. Step 5: Solve for x
    x = 905,923,763,602.40/1,087,216.38
  6. Step 6: Final answer
    x = 833,250.66

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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.