Home / 1,039,965.70-1,559,948.55-480,093.70

Finding the Fourth Proportional to 1,039,965.70, 1,559,948.55 and 480,093.70

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Solution

The fourth proportional to 1,039,965.70, 1,559,948.55 and 480,093.70 is: 720,140.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,965.70 : 1,559,948.55 = 480,093.70 : x
  2. Step 2: Convert to fraction form
    1,039,965.70/1,559,948.55 = 480,093.70/x
  3. Step 3: Cross multiply
    1,039,965.70x = 1,559,948.55 × 480,093.70
  4. Step 4: Simplify right side
    1,039,965.70x = 748,921,471,179.14
  5. Step 5: Solve for x
    x = 748,921,471,179.14/1,039,965.70
  6. Step 6: Final answer
    x = 720,140.55

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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.