Home / 1,065,300.70-1,597,951.05-505,428.70

Finding the Fourth Proportional to 1,065,300.70, 1,597,951.05 and 505,428.70

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Solution

The fourth proportional to 1,065,300.70, 1,597,951.05 and 505,428.70 is: 758,143.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,300.70 : 1,597,951.05 = 505,428.70 : x
  2. Step 2: Convert to fraction form
    1,065,300.70/1,597,951.05 = 505,428.70/x
  3. Step 3: Cross multiply
    1,065,300.70x = 1,597,951.05 × 505,428.70
  4. Step 4: Simplify right side
    1,065,300.70x = 807,650,321,865.14
  5. Step 5: Solve for x
    x = 807,650,321,865.14/1,065,300.70
  6. Step 6: Final answer
    x = 758,143.05

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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.