Home / 1,146,347.87-1,716,885.33-665,384.50

Finding the Fourth Proportional to 1,146,347.87, 1,716,885.33 and 665,384.50

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Solution

The fourth proportional to 1,146,347.87, 1,716,885.33 and 665,384.50 is: 996,546.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,347.87 : 1,716,885.33 = 665,384.50 : x
  2. Step 2: Convert to fraction form
    1,146,347.87/1,716,885.33 = 665,384.50/x
  3. Step 3: Cross multiply
    1,146,347.87x = 1,716,885.33 × 665,384.50
  4. Step 4: Simplify right side
    1,146,347.87x = 1,142,388,886,859.39
  5. Step 5: Solve for x
    x = 1,142,388,886,859.39/1,146,347.87
  6. Step 6: Final answer
    x = 996,546.44

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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.