Home / 1,102,360.38-1,521,205.91-612,361.66

Finding the Fourth Proportional to 1,102,360.38, 1,521,205.91 and 612,361.66

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Solution

The fourth proportional to 1,102,360.38, 1,521,205.91 and 612,361.66 is: 845,030.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,360.38 : 1,521,205.91 = 612,361.66 : x
  2. Step 2: Convert to fraction form
    1,102,360.38/1,521,205.91 = 612,361.66/x
  3. Step 3: Cross multiply
    1,102,360.38x = 1,521,205.91 × 612,361.66
  4. Step 4: Simplify right side
    1,102,360.38x = 931,528,168,643.38
  5. Step 5: Solve for x
    x = 931,528,168,643.38/1,102,360.38
  6. Step 6: Final answer
    x = 845,030.52

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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.