Home / 1,286,117.10-1,774,755.09-713,136.06

Finding the Fourth Proportional to 1,286,117.10, 1,774,755.09 and 713,136.06

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Solution

The fourth proportional to 1,286,117.10, 1,774,755.09 and 713,136.06 is: 984,079.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,117.10 : 1,774,755.09 = 713,136.06 : x
  2. Step 2: Convert to fraction form
    1,286,117.10/1,774,755.09 = 713,136.06/x
  3. Step 3: Cross multiply
    1,286,117.10x = 1,774,755.09 × 713,136.06
  4. Step 4: Simplify right side
    1,286,117.10x = 1,265,641,852,347.55
  5. Step 5: Solve for x
    x = 1,265,641,852,347.55/1,286,117.10
  6. Step 6: Final answer
    x = 984,079.80

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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.