Home / 1,126,047.25-1,553,975.40-635,977.45

Finding the Fourth Proportional to 1,126,047.25, 1,553,975.40 and 635,977.45

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Solution

The fourth proportional to 1,126,047.25, 1,553,975.40 and 635,977.45 is: 877,665.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,047.25 : 1,553,975.40 = 635,977.45 : x
  2. Step 2: Convert to fraction form
    1,126,047.25/1,553,975.40 = 635,977.45/x
  3. Step 3: Cross multiply
    1,126,047.25x = 1,553,975.40 × 635,977.45
  4. Step 4: Simplify right side
    1,126,047.25x = 988,293,312,254.73
  5. Step 5: Solve for x
    x = 988,293,312,254.73/1,126,047.25
  6. Step 6: Final answer
    x = 877,665.93

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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.