Home / 1,603,719.72-2,213,133.03-959,139.81

Finding the Fourth Proportional to 1,603,719.72, 2,213,133.03 and 959,139.81

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Solution

The fourth proportional to 1,603,719.72, 2,213,133.03 and 959,139.81 is: 1,323,612.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,719.72 : 2,213,133.03 = 959,139.81 : x
  2. Step 2: Convert to fraction form
    1,603,719.72/2,213,133.03 = 959,139.81/x
  3. Step 3: Cross multiply
    1,603,719.72x = 2,213,133.03 × 959,139.81
  4. Step 4: Simplify right side
    1,603,719.72x = 2,122,703,993,898.92
  5. Step 5: Solve for x
    x = 2,122,703,993,898.92/1,603,719.72
  6. Step 6: Final answer
    x = 1,323,612.83

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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.