Home / 1,625,475.60-2,438,221.50-666,455.04

Finding the Fourth Proportional to 1,625,475.60, 2,438,221.50 and 666,455.04

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Solution

The fourth proportional to 1,625,475.60, 2,438,221.50 and 666,455.04 is: 999,685.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,625,475.60 : 2,438,221.50 = 666,455.04 : x
  2. Step 2: Convert to fraction form
    1,625,475.60/2,438,221.50 = 666,455.04/x
  3. Step 3: Cross multiply
    1,625,475.60x = 2,438,221.50 × 666,455.04
  4. Step 4: Simplify right side
    1,625,475.60x = 1,624,965,007,311.36
  5. Step 5: Solve for x
    x = 1,624,965,007,311.36/1,625,475.60
  6. Step 6: Final answer
    x = 999,685.88

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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.