Home / 1,373,559.76-1,894,872.88-890,281.36

Finding the Fourth Proportional to 1,373,559.76, 1,894,872.88 and 890,281.36

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Solution

The fourth proportional to 1,373,559.76, 1,894,872.88 and 890,281.36 is: 1,228,173.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373,559.76 : 1,894,872.88 = 890,281.36 : x
  2. Step 2: Convert to fraction form
    1,373,559.76/1,894,872.88 = 890,281.36/x
  3. Step 3: Cross multiply
    1,373,559.76x = 1,894,872.88 × 890,281.36
  4. Step 4: Simplify right side
    1,373,559.76x = 1,686,970,004,633.52
  5. Step 5: Solve for x
    x = 1,686,970,004,633.52/1,373,559.76
  6. Step 6: Final answer
    x = 1,228,173.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.