Home / 1,320,437.64-1,822,205.76-716,825.64

Finding the Fourth Proportional to 1,320,437.64, 1,822,205.76 and 716,825.64

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Solution

The fourth proportional to 1,320,437.64, 1,822,205.76 and 716,825.64 is: 989,220.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,437.64 : 1,822,205.76 = 716,825.64 : x
  2. Step 2: Convert to fraction form
    1,320,437.64/1,822,205.76 = 716,825.64/x
  3. Step 3: Cross multiply
    1,320,437.64x = 1,822,205.76 × 716,825.64
  4. Step 4: Simplify right side
    1,320,437.64x = 1,306,203,810,123.69
  5. Step 5: Solve for x
    x = 1,306,203,810,123.69/1,320,437.64
  6. Step 6: Final answer
    x = 989,220.37

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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.