Home / 1,225,431.40-1,838,147.10-886,883.80

Finding the Fourth Proportional to 1,225,431.40, 1,838,147.10 and 886,883.80

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Solution

The fourth proportional to 1,225,431.40, 1,838,147.10 and 886,883.80 is: 1,330,325.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,431.40 : 1,838,147.10 = 886,883.80 : x
  2. Step 2: Convert to fraction form
    1,225,431.40/1,838,147.10 = 886,883.80/x
  3. Step 3: Cross multiply
    1,225,431.40x = 1,838,147.10 × 886,883.80
  4. Step 4: Simplify right side
    1,225,431.40x = 1,630,222,885,006.98
  5. Step 5: Solve for x
    x = 1,630,222,885,006.98/1,225,431.40
  6. Step 6: Final answer
    x = 1,330,325.70

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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.