Home / 1,056,636.50-1,585,065.54-457,658.24

Finding the Fourth Proportional to 1,056,636.50, 1,585,065.54 and 457,658.24

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Solution

The fourth proportional to 1,056,636.50, 1,585,065.54 and 457,658.24 is: 686,535.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056,636.50 : 1,585,065.54 = 457,658.24 : x
  2. Step 2: Convert to fraction form
    1,056,636.50/1,585,065.54 = 457,658.24/x
  3. Step 3: Cross multiply
    1,056,636.50x = 1,585,065.54 × 457,658.24
  4. Step 4: Simplify right side
    1,056,636.50x = 725,418,305,321.05
  5. Step 5: Solve for x
    x = 725,418,305,321.05/1,056,636.50
  6. Step 6: Final answer
    x = 686,535.35

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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.