Home / 1,455,966.57-2,009,145.45-802,563.96

Finding the Fourth Proportional to 1,455,966.57, 2,009,145.45 and 802,563.96

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Solution

The fourth proportional to 1,455,966.57, 2,009,145.45 and 802,563.96 is: 1,107,489.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,966.57 : 2,009,145.45 = 802,563.96 : x
  2. Step 2: Convert to fraction form
    1,455,966.57/2,009,145.45 = 802,563.96/x
  3. Step 3: Cross multiply
    1,455,966.57x = 2,009,145.45 × 802,563.96
  4. Step 4: Simplify right side
    1,455,966.57x = 1,612,467,728,567.98
  5. Step 5: Solve for x
    x = 1,612,467,728,567.98/1,455,966.57
  6. Step 6: Final answer
    x = 1,107,489.53

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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.