Home / 1,105,137.03-1,525,073.88-621,702.03

Finding the Fourth Proportional to 1,105,137.03, 1,525,073.88 and 621,702.03

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Solution

The fourth proportional to 1,105,137.03, 1,525,073.88 and 621,702.03 is: 857,940.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,137.03 : 1,525,073.88 = 621,702.03 : x
  2. Step 2: Convert to fraction form
    1,105,137.03/1,525,073.88 = 621,702.03/x
  3. Step 3: Cross multiply
    1,105,137.03x = 1,525,073.88 × 621,702.03
  4. Step 4: Simplify right side
    1,105,137.03x = 948,141,527,095.98
  5. Step 5: Solve for x
    x = 948,141,527,095.98/1,105,137.03
  6. Step 6: Final answer
    x = 857,940.24

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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.