Home / 1,630,656.72-2,446,947.36-620,628.96

Finding the Fourth Proportional to 1,630,656.72, 2,446,947.36 and 620,628.96

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Solution

The fourth proportional to 1,630,656.72, 2,446,947.36 and 620,628.96 is: 931,309.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,656.72 : 2,446,947.36 = 620,628.96 : x
  2. Step 2: Convert to fraction form
    1,630,656.72/2,446,947.36 = 620,628.96/x
  3. Step 3: Cross multiply
    1,630,656.72x = 2,446,947.36 × 620,628.96
  4. Step 4: Simplify right side
    1,630,656.72x = 1,518,646,395,211.55
  5. Step 5: Solve for x
    x = 1,518,646,395,211.55/1,630,656.72
  6. Step 6: Final answer
    x = 931,309.68

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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.