Home / 1,434,358.31-2,151,770.99-423,582.50

Finding the Fourth Proportional to 1,434,358.31, 2,151,770.99 and 423,582.50

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Solution

The fourth proportional to 1,434,358.31, 2,151,770.99 and 423,582.50 is: 635,442.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,358.31 : 2,151,770.99 = 423,582.50 : x
  2. Step 2: Convert to fraction form
    1,434,358.31/2,151,770.99 = 423,582.50/x
  3. Step 3: Cross multiply
    1,434,358.31x = 2,151,770.99 × 423,582.50
  4. Step 4: Simplify right side
    1,434,358.31x = 911,452,536,203.01
  5. Step 5: Solve for x
    x = 911,452,536,203.01/1,434,358.31
  6. Step 6: Final answer
    x = 635,442.71

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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.