Home / 1,030,649.78-1,422,298.37-571,764.37

Finding the Fourth Proportional to 1,030,649.78, 1,422,298.37 and 571,764.37

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Solution

The fourth proportional to 1,030,649.78, 1,422,298.37 and 571,764.37 is: 789,035.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,649.78 : 1,422,298.37 = 571,764.37 : x
  2. Step 2: Convert to fraction form
    1,030,649.78/1,422,298.37 = 571,764.37/x
  3. Step 3: Cross multiply
    1,030,649.78x = 1,422,298.37 × 571,764.37
  4. Step 4: Simplify right side
    1,030,649.78x = 813,219,528,616.26
  5. Step 5: Solve for x
    x = 813,219,528,616.26/1,030,649.78
  6. Step 6: Final answer
    x = 789,035.76

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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.