Home / 1,257,722.90-1,735,570.04-713,869.76

Finding the Fourth Proportional to 1,257,722.90, 1,735,570.04 and 713,869.76

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Solution

The fourth proportional to 1,257,722.90, 1,735,570.04 and 713,869.76 is: 985,090.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,722.90 : 1,735,570.04 = 713,869.76 : x
  2. Step 2: Convert to fraction form
    1,257,722.90/1,735,570.04 = 713,869.76/x
  3. Step 3: Cross multiply
    1,257,722.90x = 1,735,570.04 × 713,869.76
  4. Step 4: Simplify right side
    1,257,722.90x = 1,238,970,959,240.14
  5. Step 5: Solve for x
    x = 1,238,970,959,240.14/1,257,722.90
  6. Step 6: Final answer
    x = 985,090.57

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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.