Home / 1,267,988.76-1,750,003.80-784,709.64

Finding the Fourth Proportional to 1,267,988.76, 1,750,003.80 and 784,709.64

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Solution

The fourth proportional to 1,267,988.76, 1,750,003.80 and 784,709.64 is: 1,083,010.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,988.76 : 1,750,003.80 = 784,709.64 : x
  2. Step 2: Convert to fraction form
    1,267,988.76/1,750,003.80 = 784,709.64/x
  3. Step 3: Cross multiply
    1,267,988.76x = 1,750,003.80 × 784,709.64
  4. Step 4: Simplify right side
    1,267,988.76x = 1,373,244,851,896.63
  5. Step 5: Solve for x
    x = 1,373,244,851,896.63/1,267,988.76
  6. Step 6: Final answer
    x = 1,083,010.27

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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.