Home / 1,102,359.63-1,521,204.88-612,360.91

Finding the Fourth Proportional to 1,102,359.63, 1,521,204.88 and 612,360.91

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Solution

The fourth proportional to 1,102,359.63, 1,521,204.88 and 612,360.91 is: 845,029.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,359.63 : 1,521,204.88 = 612,360.91 : x
  2. Step 2: Convert to fraction form
    1,102,359.63/1,521,204.88 = 612,360.91/x
  3. Step 3: Cross multiply
    1,102,359.63x = 1,521,204.88 × 612,360.91
  4. Step 4: Simplify right side
    1,102,359.63x = 931,526,393,945.41
  5. Step 5: Solve for x
    x = 931,526,393,945.41/1,102,359.63
  6. Step 6: Final answer
    x = 845,029.49

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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.