Home / 1,425,830.18-2,138,745.27-479,200.90

Finding the Fourth Proportional to 1,425,830.18, 2,138,745.27 and 479,200.90

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Solution

The fourth proportional to 1,425,830.18, 2,138,745.27 and 479,200.90 is: 718,801.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,830.18 : 2,138,745.27 = 479,200.90 : x
  2. Step 2: Convert to fraction form
    1,425,830.18/2,138,745.27 = 479,200.90/x
  3. Step 3: Cross multiply
    1,425,830.18x = 2,138,745.27 × 479,200.90
  4. Step 4: Simplify right side
    1,425,830.18x = 1,024,888,658,254.74
  5. Step 5: Solve for x
    x = 1,024,888,658,254.74/1,425,830.18
  6. Step 6: Final answer
    x = 718,801.35

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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.