Home / 1,473,182.91-2,209,768.29-408,221.91

Finding the Fourth Proportional to 1,473,182.91, 2,209,768.29 and 408,221.91

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Solution

The fourth proportional to 1,473,182.91, 2,209,768.29 and 408,221.91 is: 612,331.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,473,182.91 : 2,209,768.29 = 408,221.91 : x
  2. Step 2: Convert to fraction form
    1,473,182.91/2,209,768.29 = 408,221.91/x
  3. Step 3: Cross multiply
    1,473,182.91x = 2,209,768.29 × 408,221.91
  4. Step 4: Simplify right side
    1,473,182.91x = 902,075,832,001.23
  5. Step 5: Solve for x
    x = 902,075,832,001.23/1,473,182.91
  6. Step 6: Final answer
    x = 612,331.18

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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.