Home / 1,258,236.37-1,736,537.43-742,136.23

Finding the Fourth Proportional to 1,258,236.37, 1,736,537.43 and 742,136.23

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Solution

The fourth proportional to 1,258,236.37, 1,736,537.43 and 742,136.23 is: 1,024,249.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,236.37 : 1,736,537.43 = 742,136.23 : x
  2. Step 2: Convert to fraction form
    1,258,236.37/1,736,537.43 = 742,136.23/x
  3. Step 3: Cross multiply
    1,258,236.37x = 1,736,537.43 × 742,136.23
  4. Step 4: Simplify right side
    1,258,236.37x = 1,288,747,341,554.09
  5. Step 5: Solve for x
    x = 1,288,747,341,554.09/1,258,236.37
  6. Step 6: Final answer
    x = 1,024,249.00

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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.