Home / 1,320,180-1,979,952.88-609,525.24

Finding the Fourth Proportional to 1,320,180, 1,979,952.88 and 609,525.24

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Solution

The fourth proportional to 1,320,180, 1,979,952.88 and 609,525.24 is: 914,141.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,180 : 1,979,952.88 = 609,525.24 : x
  2. Step 2: Convert to fraction form
    1,320,180/1,979,952.88 = 609,525.24/x
  3. Step 3: Cross multiply
    1,320,180x = 1,979,952.88 × 609,525.24
  4. Step 4: Simplify right side
    1,320,180x = 1,206,831,254,370.69
  5. Step 5: Solve for x
    x = 1,206,831,254,370.69/1,320,180
  6. Step 6: Final answer
    x = 914,141.45

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Double scale
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1.5x scale

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.