Home / 1,079,216.40-1,489,320.80-595,782.20

Finding the Fourth Proportional to 1,079,216.40, 1,489,320.80 and 595,782.20

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Solution

The fourth proportional to 1,079,216.40, 1,489,320.80 and 595,782.20 is: 822,180.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,216.40 : 1,489,320.80 = 595,782.20 : x
  2. Step 2: Convert to fraction form
    1,079,216.40/1,489,320.80 = 595,782.20/x
  3. Step 3: Cross multiply
    1,079,216.40x = 1,489,320.80 × 595,782.20
  4. Step 4: Simplify right side
    1,079,216.40x = 887,310,822,729.76
  5. Step 5: Solve for x
    x = 887,310,822,729.76/1,079,216.40
  6. Step 6: Final answer
    x = 822,180.63

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1.5x scale

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.