Home / 1,261,136.96-1,742,264.56-826,585.44

Finding the Fourth Proportional to 1,261,136.96, 1,742,264.56 and 826,585.44

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Solution

The fourth proportional to 1,261,136.96, 1,742,264.56 and 826,585.44 is: 1,141,930.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,136.96 : 1,742,264.56 = 826,585.44 : x
  2. Step 2: Convert to fraction form
    1,261,136.96/1,742,264.56 = 826,585.44/x
  3. Step 3: Cross multiply
    1,261,136.96x = 1,742,264.56 × 826,585.44
  4. Step 4: Simplify right side
    1,261,136.96x = 1,440,130,517,924.01
  5. Step 5: Solve for x
    x = 1,440,130,517,924.01/1,261,136.96
  6. Step 6: Final answer
    x = 1,141,930.31

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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.