Home / 1,555,384.72-2,332,999.32-608,928.88

Finding the Fourth Proportional to 1,555,384.72, 2,332,999.32 and 608,928.88

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Solution

The fourth proportional to 1,555,384.72, 2,332,999.32 and 608,928.88 is: 913,362.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,384.72 : 2,332,999.32 = 608,928.88 : x
  2. Step 2: Convert to fraction form
    1,555,384.72/2,332,999.32 = 608,928.88/x
  3. Step 3: Cross multiply
    1,555,384.72x = 2,332,999.32 × 608,928.88
  4. Step 4: Simplify right side
    1,555,384.72x = 1,420,630,662,968.36
  5. Step 5: Solve for x
    x = 1,420,630,662,968.36/1,555,384.72
  6. Step 6: Final answer
    x = 913,362.88

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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.