Home / 1,006,821.09-1,389,475.10-577,165.80

Finding the Fourth Proportional to 1,006,821.09, 1,389,475.10 and 577,165.80

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Solution

The fourth proportional to 1,006,821.09, 1,389,475.10 and 577,165.80 is: 796,524.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,821.09 : 1,389,475.10 = 577,165.80 : x
  2. Step 2: Convert to fraction form
    1,006,821.09/1,389,475.10 = 577,165.80/x
  3. Step 3: Cross multiply
    1,006,821.09x = 1,389,475.10 × 577,165.80
  4. Step 4: Simplify right side
    1,006,821.09x = 801,957,507,671.58
  5. Step 5: Solve for x
    x = 801,957,507,671.58/1,006,821.09
  6. Step 6: Final answer
    x = 796,524.34

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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.