Home / 1,006,577.50-1,389,086.67-553,878.22

Finding the Fourth Proportional to 1,006,577.50, 1,389,086.67 and 553,878.22

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Solution

The fourth proportional to 1,006,577.50, 1,389,086.67 and 553,878.22 is: 764,357.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,577.50 : 1,389,086.67 = 553,878.22 : x
  2. Step 2: Convert to fraction form
    1,006,577.50/1,389,086.67 = 553,878.22/x
  3. Step 3: Cross multiply
    1,006,577.50x = 1,389,086.67 × 553,878.22
  4. Step 4: Simplify right side
    1,006,577.50x = 769,384,852,205.33
  5. Step 5: Solve for x
    x = 769,384,852,205.33/1,006,577.50
  6. Step 6: Final answer
    x = 764,357.29

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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.