Home / 1,039,371.92-1,559,551.32-720,015.24

Finding the Fourth Proportional to 1,039,371.92, 1,559,551.32 and 720,015.24

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Solution

The fourth proportional to 1,039,371.92, 1,559,551.32 and 720,015.24 is: 1,080,364.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,371.92 : 1,559,551.32 = 720,015.24 : x
  2. Step 2: Convert to fraction form
    1,039,371.92/1,559,551.32 = 720,015.24/x
  3. Step 3: Cross multiply
    1,039,371.92x = 1,559,551.32 × 720,015.24
  4. Step 4: Simplify right side
    1,039,371.92x = 1,122,900,717,962.12
  5. Step 5: Solve for x
    x = 1,122,900,717,962.12/1,039,371.92
  6. Step 6: Final answer
    x = 1,080,364.69

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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.