Home / 1,102,360.88-1,521,206.60-612,362.16

Finding the Fourth Proportional to 1,102,360.88, 1,521,206.60 and 612,362.16

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Solution

The fourth proportional to 1,102,360.88, 1,521,206.60 and 612,362.16 is: 845,031.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,360.88 : 1,521,206.60 = 612,362.16 : x
  2. Step 2: Convert to fraction form
    1,102,360.88/1,521,206.60 = 612,362.16/x
  3. Step 3: Cross multiply
    1,102,360.88x = 1,521,206.60 × 612,362.16
  4. Step 4: Simplify right side
    1,102,360.88x = 931,529,359,382.26
  5. Step 5: Solve for x
    x = 931,529,359,382.26/1,102,360.88
  6. Step 6: Final answer
    x = 845,031.22

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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.