Home / 1,600,906.90-2,400,539.55-478,830.10

Finding the Fourth Proportional to 1,600,906.90, 2,400,539.55 and 478,830.10

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Solution

The fourth proportional to 1,600,906.90, 2,400,539.55 and 478,830.10 is: 717,999.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,600,906.90 : 2,400,539.55 = 478,830.10 : x
  2. Step 2: Convert to fraction form
    1,600,906.90/2,400,539.55 = 478,830.10/x
  3. Step 3: Cross multiply
    1,600,906.90x = 2,400,539.55 × 478,830.10
  4. Step 4: Simplify right side
    1,600,906.90x = 1,149,450,592,780.45
  5. Step 5: Solve for x
    x = 1,149,450,592,780.45/1,600,906.90
  6. Step 6: Final answer
    x = 717,999.65

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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.