Home / 1,409,155.23-2,113,871.22-398,284.95

Finding the Fourth Proportional to 1,409,155.23, 2,113,871.22 and 398,284.95

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Solution

The fourth proportional to 1,409,155.23, 2,113,871.22 and 398,284.95 is: 597,466.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,155.23 : 2,113,871.22 = 398,284.95 : x
  2. Step 2: Convert to fraction form
    1,409,155.23/2,113,871.22 = 398,284.95/x
  3. Step 3: Cross multiply
    1,409,155.23x = 2,113,871.22 × 398,284.95
  4. Step 4: Simplify right side
    1,409,155.23x = 841,923,093,164.14
  5. Step 5: Solve for x
    x = 841,923,093,164.14/1,409,155.23
  6. Step 6: Final answer
    x = 597,466.54

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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.