Home / 1,456,455.70-2,185,667.70-816,758.20

Finding the Fourth Proportional to 1,456,455.70, 2,185,667.70 and 816,758.20

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Solution

The fourth proportional to 1,456,455.70, 2,185,667.70 and 816,758.20 is: 1,225,689.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456,455.70 : 2,185,667.70 = 816,758.20 : x
  2. Step 2: Convert to fraction form
    1,456,455.70/2,185,667.70 = 816,758.20/x
  3. Step 3: Cross multiply
    1,456,455.70x = 2,185,667.70 × 816,758.20
  4. Step 4: Simplify right side
    1,456,455.70x = 1,785,162,016,450.14
  5. Step 5: Solve for x
    x = 1,785,162,016,450.14/1,456,455.70
  6. Step 6: Final answer
    x = 1,225,689.20

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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.