Home / 1,477,999.90-2,216,999.85-531,466.30

Finding the Fourth Proportional to 1,477,999.90, 2,216,999.85 and 531,466.30

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Solution

The fourth proportional to 1,477,999.90, 2,216,999.85 and 531,466.30 is: 797,199.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,477,999.90 : 2,216,999.85 = 531,466.30 : x
  2. Step 2: Convert to fraction form
    1,477,999.90/2,216,999.85 = 531,466.30/x
  3. Step 3: Cross multiply
    1,477,999.90x = 2,216,999.85 × 531,466.30
  4. Step 4: Simplify right side
    1,477,999.90x = 1,178,260,707,380.06
  5. Step 5: Solve for x
    x = 1,178,260,707,380.06/1,477,999.90
  6. Step 6: Final answer
    x = 797,199.45

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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.