Home / 1,069,516.80-1,475,884.80-616,780.80

Finding the Fourth Proportional to 1,069,516.80, 1,475,884.80 and 616,780.80

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Solution

The fourth proportional to 1,069,516.80, 1,475,884.80 and 616,780.80 is: 851,129.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,516.80 : 1,475,884.80 = 616,780.80 : x
  2. Step 2: Convert to fraction form
    1,069,516.80/1,475,884.80 = 616,780.80/x
  3. Step 3: Cross multiply
    1,069,516.80x = 1,475,884.80 × 616,780.80
  4. Step 4: Simplify right side
    1,069,516.80x = 910,297,407,651.84
  5. Step 5: Solve for x
    x = 910,297,407,651.84/1,069,516.80
  6. Step 6: Final answer
    x = 851,129.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.