Home / 1,427,912.90-1,970,508.14-774,537.29

Finding the Fourth Proportional to 1,427,912.90, 1,970,508.14 and 774,537.29

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Solution

The fourth proportional to 1,427,912.90, 1,970,508.14 and 774,537.29 is: 1,068,855.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,912.90 : 1,970,508.14 = 774,537.29 : x
  2. Step 2: Convert to fraction form
    1,427,912.90/1,970,508.14 = 774,537.29/x
  3. Step 3: Cross multiply
    1,427,912.90x = 1,970,508.14 × 774,537.29
  4. Step 4: Simplify right side
    1,427,912.90x = 1,526,232,024,826
  5. Step 5: Solve for x
    x = 1,526,232,024,826/1,427,912.90
  6. Step 6: Final answer
    x = 1,068,855.13

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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.