Home / 1,261,261-1,890,316.92-630,355.24

Finding the Fourth Proportional to 1,261,261, 1,890,316.92 and 630,355.24

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Solution

The fourth proportional to 1,261,261, 1,890,316.92 and 630,355.24 is: 944,745.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,261 : 1,890,316.92 = 630,355.24 : x
  2. Step 2: Convert to fraction form
    1,261,261/1,890,316.92 = 630,355.24/x
  3. Step 3: Cross multiply
    1,261,261x = 1,890,316.92 × 630,355.24
  4. Step 4: Simplify right side
    1,261,261x = 1,191,571,175,782.66
  5. Step 5: Solve for x
    x = 1,191,571,175,782.66/1,261,261
  6. Step 6: Final answer
    x = 944,745.91

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Double scale
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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.