Home / 1,480,872.64-2,221,026.48-721,952.32

Finding the Fourth Proportional to 1,480,872.64, 2,221,026.48 and 721,952.32

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Solution

The fourth proportional to 1,480,872.64, 2,221,026.48 and 721,952.32 is: 1,082,790.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,480,872.64 : 2,221,026.48 = 721,952.32 : x
  2. Step 2: Convert to fraction form
    1,480,872.64/2,221,026.48 = 721,952.32/x
  3. Step 3: Cross multiply
    1,480,872.64x = 2,221,026.48 × 721,952.32
  4. Step 4: Simplify right side
    1,480,872.64x = 1,603,475,220,017.43
  5. Step 5: Solve for x
    x = 1,603,475,220,017.43/1,480,872.64
  6. Step 6: Final answer
    x = 1,082,790.77

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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.