Home / 1,438,783.76-1,985,510.40-794,204.16

Finding the Fourth Proportional to 1,438,783.76, 1,985,510.40 and 794,204.16

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Solution

The fourth proportional to 1,438,783.76, 1,985,510.40 and 794,204.16 is: 1,095,995.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,783.76 : 1,985,510.40 = 794,204.16 : x
  2. Step 2: Convert to fraction form
    1,438,783.76/1,985,510.40 = 794,204.16/x
  3. Step 3: Cross multiply
    1,438,783.76x = 1,985,510.40 × 794,204.16
  4. Step 4: Simplify right side
    1,438,783.76x = 1,576,900,619,403.26
  5. Step 5: Solve for x
    x = 1,576,900,619,403.26/1,438,783.76
  6. Step 6: Final answer
    x = 1,095,995.56

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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.