Home / 1,143,772.80-1,715,140.80-433,564.80

Finding the Fourth Proportional to 1,143,772.80, 1,715,140.80 and 433,564.80

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Solution

The fourth proportional to 1,143,772.80, 1,715,140.80 and 433,564.80 is: 650,150.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,772.80 : 1,715,140.80 = 433,564.80 : x
  2. Step 2: Convert to fraction form
    1,143,772.80/1,715,140.80 = 433,564.80/x
  3. Step 3: Cross multiply
    1,143,772.80x = 1,715,140.80 × 433,564.80
  4. Step 4: Simplify right side
    1,143,772.80x = 743,624,677,923.84
  5. Step 5: Solve for x
    x = 743,624,677,923.84/1,143,772.80
  6. Step 6: Final answer
    x = 650,150.69

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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.