Home / 1,692,890.64-2,336,217.66-929,015.28

Finding the Fourth Proportional to 1,692,890.64, 2,336,217.66 and 929,015.28

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Solution

The fourth proportional to 1,692,890.64, 2,336,217.66 and 929,015.28 is: 1,282,056.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692,890.64 : 2,336,217.66 = 929,015.28 : x
  2. Step 2: Convert to fraction form
    1,692,890.64/2,336,217.66 = 929,015.28/x
  3. Step 3: Cross multiply
    1,692,890.64x = 2,336,217.66 × 929,015.28
  4. Step 4: Simplify right side
    1,692,890.64x = 2,170,381,903,545.85
  5. Step 5: Solve for x
    x = 2,170,381,903,545.85/1,692,890.64
  6. Step 6: Final answer
    x = 1,282,056.77

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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.