Home / 1,320,113.25-1,979,852.71-609,458.53

Finding the Fourth Proportional to 1,320,113.25, 1,979,852.71 and 609,458.53

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Solution

The fourth proportional to 1,320,113.25, 1,979,852.71 and 609,458.53 is: 914,041.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,113.25 : 1,979,852.71 = 609,458.53 : x
  2. Step 2: Convert to fraction form
    1,320,113.25/1,979,852.71 = 609,458.53/x
  3. Step 3: Cross multiply
    1,320,113.25x = 1,979,852.71 × 609,458.53
  4. Step 4: Simplify right side
    1,320,113.25x = 1,206,638,122,253.12
  5. Step 5: Solve for x
    x = 1,206,638,122,253.12/1,320,113.25
  6. Step 6: Final answer
    x = 914,041.37

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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.