Home / 1,022,889.90-1,535,280.21-517,805.34

Finding the Fourth Proportional to 1,022,889.90, 1,535,280.21 and 517,805.34

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Solution

The fourth proportional to 1,022,889.90, 1,535,280.21 and 517,805.34 is: 777,186.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,889.90 : 1,535,280.21 = 517,805.34 : x
  2. Step 2: Convert to fraction form
    1,022,889.90/1,535,280.21 = 517,805.34/x
  3. Step 3: Cross multiply
    1,022,889.90x = 1,535,280.21 × 517,805.34
  4. Step 4: Simplify right side
    1,022,889.90x = 794,976,291,134.32
  5. Step 5: Solve for x
    x = 794,976,291,134.32/1,022,889.90
  6. Step 6: Final answer
    x = 777,186.57

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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.