Home / 1,451,122.85-2,176,730.07-371,642.21

Finding the Fourth Proportional to 1,451,122.85, 2,176,730.07 and 371,642.21

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Solution

The fourth proportional to 1,451,122.85, 2,176,730.07 and 371,642.21 is: 557,475.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,451,122.85 : 2,176,730.07 = 371,642.21 : x
  2. Step 2: Convert to fraction form
    1,451,122.85/2,176,730.07 = 371,642.21/x
  3. Step 3: Cross multiply
    1,451,122.85x = 2,176,730.07 × 371,642.21
  4. Step 4: Simplify right side
    1,451,122.85x = 808,964,762,904.60
  5. Step 5: Solve for x
    x = 808,964,762,904.60/1,451,122.85
  6. Step 6: Final answer
    x = 557,475.03

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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.