Home / 1,261,264-1,890,321.42-630,358.24

Finding the Fourth Proportional to 1,261,264, 1,890,321.42 and 630,358.24

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Solution

The fourth proportional to 1,261,264, 1,890,321.42 and 630,358.24 is: 944,750.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,264 : 1,890,321.42 = 630,358.24 : x
  2. Step 2: Convert to fraction form
    1,261,264/1,890,321.42 = 630,358.24/x
  3. Step 3: Cross multiply
    1,261,264x = 1,890,321.42 × 630,358.24
  4. Step 4: Simplify right side
    1,261,264x = 1,191,579,683,345.50
  5. Step 5: Solve for x
    x = 1,191,579,683,345.50/1,261,264
  6. Step 6: Final answer
    x = 944,750.41

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Similar ratio
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1.5x scale

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.