Home / 1,026,215.91-1,415,942.98-612,672.20

Finding the Fourth Proportional to 1,026,215.91, 1,415,942.98 and 612,672.20

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Solution

The fourth proportional to 1,026,215.91, 1,415,942.98 and 612,672.20 is: 845,347.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,215.91 : 1,415,942.98 = 612,672.20 : x
  2. Step 2: Convert to fraction form
    1,026,215.91/1,415,942.98 = 612,672.20/x
  3. Step 3: Cross multiply
    1,026,215.91x = 1,415,942.98 × 612,672.20
  4. Step 4: Simplify right side
    1,026,215.91x = 867,508,900,210.98
  5. Step 5: Solve for x
    x = 867,508,900,210.98/1,026,215.91
  6. Step 6: Final answer
    x = 845,347.35

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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.