Home / 1,362,970.64-2,040,606.84-721,820

Finding the Fourth Proportional to 1,362,970.64, 2,040,606.84 and 721,820

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Solution

The fourth proportional to 1,362,970.64, 2,040,606.84 and 721,820 is: 1,080,691.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,970.64 : 2,040,606.84 = 721,820 : x
  2. Step 2: Convert to fraction form
    1,362,970.64/2,040,606.84 = 721,820/x
  3. Step 3: Cross multiply
    1,362,970.64x = 2,040,606.84 × 721,820
  4. Step 4: Simplify right side
    1,362,970.64x = 1,472,950,829,248.80
  5. Step 5: Solve for x
    x = 1,472,950,829,248.80/1,362,970.64
  6. Step 6: Final answer
    x = 1,080,691.53

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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.