Home / 1,473,205-2,209,801.20-408,244

Finding the Fourth Proportional to 1,473,205, 2,209,801.20 and 408,244

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Solution

The fourth proportional to 1,473,205, 2,209,801.20 and 408,244 is: 612,364.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,473,205 : 2,209,801.20 = 408,244 : x
  2. Step 2: Convert to fraction form
    1,473,205/2,209,801.20 = 408,244/x
  3. Step 3: Cross multiply
    1,473,205x = 2,209,801.20 × 408,244
  4. Step 4: Simplify right side
    1,473,205x = 902,138,081,092.80
  5. Step 5: Solve for x
    x = 902,138,081,092.80/1,473,205
  6. Step 6: Final answer
    x = 612,364.25

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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.