Home / 1,407,887.46-2,111,721.03-396,968.58

Finding the Fourth Proportional to 1,407,887.46, 2,111,721.03 and 396,968.58

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Solution

The fourth proportional to 1,407,887.46, 2,111,721.03 and 396,968.58 is: 595,421.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,887.46 : 2,111,721.03 = 396,968.58 : x
  2. Step 2: Convert to fraction form
    1,407,887.46/2,111,721.03 = 396,968.58/x
  3. Step 3: Cross multiply
    1,407,887.46x = 2,111,721.03 × 396,968.58
  4. Step 4: Simplify right side
    1,407,887.46x = 838,286,898,635.24
  5. Step 5: Solve for x
    x = 838,286,898,635.24/1,407,887.46
  6. Step 6: Final answer
    x = 595,421.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.