Home / 1,298.81-1,946.85-604.91

Finding the Fourth Proportional to 1,298.81, 1,946.85 and 604.91

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Solution

The fourth proportional to 1,298.81, 1,946.85 and 604.91 is: 906.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298.81 : 1,946.85 = 604.91 : x
  2. Step 2: Convert to fraction form
    1,298.81/1,946.85 = 604.91/x
  3. Step 3: Cross multiply
    1,298.81x = 1,946.85 × 604.91
  4. Step 4: Simplify right side
    1,298.81x = 1,177,662.62
  5. Step 5: Solve for x
    x = 1,177,662.62/1,298.81
  6. Step 6: Final answer
    x = 906.72

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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.