Home / 1,315,658.30-1,815,588.89-734,889.51

Finding the Fourth Proportional to 1,315,658.30, 1,815,588.89 and 734,889.51

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Solution

The fourth proportional to 1,315,658.30, 1,815,588.89 and 734,889.51 is: 1,014,136.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,658.30 : 1,815,588.89 = 734,889.51 : x
  2. Step 2: Convert to fraction form
    1,315,658.30/1,815,588.89 = 734,889.51/x
  3. Step 3: Cross multiply
    1,315,658.30x = 1,815,588.89 × 734,889.51
  4. Step 4: Simplify right side
    1,315,658.30x = 1,334,257,232,948.69
  5. Step 5: Solve for x
    x = 1,334,257,232,948.69/1,315,658.30
  6. Step 6: Final answer
    x = 1,014,136.60

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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.