Home / 1,429,439.85-2,145,047.94-890,753.40

Finding the Fourth Proportional to 1,429,439.85, 2,145,047.94 and 890,753.40

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Solution

The fourth proportional to 1,429,439.85, 2,145,047.94 and 890,753.40 is: 1,336,683.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,439.85 : 2,145,047.94 = 890,753.40 : x
  2. Step 2: Convert to fraction form
    1,429,439.85/2,145,047.94 = 890,753.40/x
  3. Step 3: Cross multiply
    1,429,439.85x = 2,145,047.94 × 890,753.40
  4. Step 4: Simplify right side
    1,429,439.85x = 1,910,708,745,718.00
  5. Step 5: Solve for x
    x = 1,910,708,745,718.00/1,429,439.85
  6. Step 6: Final answer
    x = 1,336,683.56

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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.