Home / 1,102,521.45-1,521,373.71-618,975.75

Finding the Fourth Proportional to 1,102,521.45, 1,521,373.71 and 618,975.75

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Solution

The fourth proportional to 1,102,521.45, 1,521,373.71 and 618,975.75 is: 854,127.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,521.45 : 1,521,373.71 = 618,975.75 : x
  2. Step 2: Convert to fraction form
    1,102,521.45/1,521,373.71 = 618,975.75/x
  3. Step 3: Cross multiply
    1,102,521.45x = 1,521,373.71 × 618,975.75
  4. Step 4: Simplify right side
    1,102,521.45x = 941,693,435,498.69
  5. Step 5: Solve for x
    x = 941,693,435,498.69/1,102,521.45
  6. Step 6: Final answer
    x = 854,127.09

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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.