Home / 1,630,921.03-2,445,412.52-620,116.90

Finding the Fourth Proportional to 1,630,921.03, 2,445,412.52 and 620,116.90

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Solution

The fourth proportional to 1,630,921.03, 2,445,412.52 and 620,116.90 is: 929,806.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,921.03 : 2,445,412.52 = 620,116.90 : x
  2. Step 2: Convert to fraction form
    1,630,921.03/2,445,412.52 = 620,116.90/x
  3. Step 3: Cross multiply
    1,630,921.03x = 2,445,412.52 × 620,116.90
  4. Step 4: Simplify right side
    1,630,921.03x = 1,516,441,628,023.00
  5. Step 5: Solve for x
    x = 1,516,441,628,023.00/1,630,921.03
  6. Step 6: Final answer
    x = 929,806.90

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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.