Home / 1,528,385.80-2,292,578.70-996,507.40

Finding the Fourth Proportional to 1,528,385.80, 2,292,578.70 and 996,507.40

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Solution

The fourth proportional to 1,528,385.80, 2,292,578.70 and 996,507.40 is: 1,494,761.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,385.80 : 2,292,578.70 = 996,507.40 : x
  2. Step 2: Convert to fraction form
    1,528,385.80/2,292,578.70 = 996,507.40/x
  3. Step 3: Cross multiply
    1,528,385.80x = 2,292,578.70 × 996,507.40
  4. Step 4: Simplify right side
    1,528,385.80x = 2,284,571,639,632.38
  5. Step 5: Solve for x
    x = 2,284,571,639,632.38/1,528,385.80
  6. Step 6: Final answer
    x = 1,494,761.10

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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.