Home / 1,435,412.88-2,153,540.39-424,561.50

Finding the Fourth Proportional to 1,435,412.88, 2,153,540.39 and 424,561.50

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Solution

The fourth proportional to 1,435,412.88, 2,153,540.39 and 424,561.50 is: 636,966.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,412.88 : 2,153,540.39 = 424,561.50 : x
  2. Step 2: Convert to fraction form
    1,435,412.88/2,153,540.39 = 424,561.50/x
  3. Step 3: Cross multiply
    1,435,412.88x = 2,153,540.39 × 424,561.50
  4. Step 4: Simplify right side
    1,435,412.88x = 914,310,336,166.18
  5. Step 5: Solve for x
    x = 914,310,336,166.18/1,435,412.88
  6. Step 6: Final answer
    x = 636,966.79

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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.