Home / 1,286,315.70-1,774,999.35-713,354.10

Finding the Fourth Proportional to 1,286,315.70, 1,774,999.35 and 713,354.10

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Solution

The fourth proportional to 1,286,315.70, 1,774,999.35 and 713,354.10 is: 984,364.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,315.70 : 1,774,999.35 = 713,354.10 : x
  2. Step 2: Convert to fraction form
    1,286,315.70/1,774,999.35 = 713,354.10/x
  3. Step 3: Cross multiply
    1,286,315.70x = 1,774,999.35 × 713,354.10
  4. Step 4: Simplify right side
    1,286,315.70x = 1,266,203,063,819.84
  5. Step 5: Solve for x
    x = 1,266,203,063,819.84/1,286,315.70
  6. Step 6: Final answer
    x = 984,364.15

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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.