Home / 1,427,782.31-2,140,308.21-528,982.82

Finding the Fourth Proportional to 1,427,782.31, 2,140,308.21 and 528,982.82

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Solution

The fourth proportional to 1,427,782.31, 2,140,308.21 and 528,982.82 is: 792,968.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,782.31 : 2,140,308.21 = 528,982.82 : x
  2. Step 2: Convert to fraction form
    1,427,782.31/2,140,308.21 = 528,982.82/x
  3. Step 3: Cross multiply
    1,427,782.31x = 2,140,308.21 × 528,982.82
  4. Step 4: Simplify right side
    1,427,782.31x = 1,132,186,272,594.95
  5. Step 5: Solve for x
    x = 1,132,186,272,594.95/1,427,782.31
  6. Step 6: Final answer
    x = 792,968.41

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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.