Home / 1,625,452.35-2,243,099.54-890,400.74

Finding the Fourth Proportional to 1,625,452.35, 2,243,099.54 and 890,400.74

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Solution

The fourth proportional to 1,625,452.35, 2,243,099.54 and 890,400.74 is: 1,228,739.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,625,452.35 : 2,243,099.54 = 890,400.74 : x
  2. Step 2: Convert to fraction form
    1,625,452.35/2,243,099.54 = 890,400.74/x
  3. Step 3: Cross multiply
    1,625,452.35x = 2,243,099.54 × 890,400.74
  4. Step 4: Simplify right side
    1,625,452.35x = 1,997,257,474,642.16
  5. Step 5: Solve for x
    x = 1,997,257,474,642.16/1,625,452.35
  6. Step 6: Final answer
    x = 1,228,739.48

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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.