Home / 1,200,497.82-1,800,746.75-490,525.21

Finding the Fourth Proportional to 1,200,497.82, 1,800,746.75 and 490,525.21

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Solution

The fourth proportional to 1,200,497.82, 1,800,746.75 and 490,525.21 is: 735,787.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,497.82 : 1,800,746.75 = 490,525.21 : x
  2. Step 2: Convert to fraction form
    1,200,497.82/1,800,746.75 = 490,525.21/x
  3. Step 3: Cross multiply
    1,200,497.82x = 1,800,746.75 × 490,525.21
  4. Step 4: Simplify right side
    1,200,497.82x = 883,311,677,700.57
  5. Step 5: Solve for x
    x = 883,311,677,700.57/1,200,497.82
  6. Step 6: Final answer
    x = 735,787.82

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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.