Home / 1,609,220.25-2,220,747.48-874,188.18

Finding the Fourth Proportional to 1,609,220.25, 2,220,747.48 and 874,188.18

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Solution

The fourth proportional to 1,609,220.25, 2,220,747.48 and 874,188.18 is: 1,206,392.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,609,220.25 : 2,220,747.48 = 874,188.18 : x
  2. Step 2: Convert to fraction form
    1,609,220.25/2,220,747.48 = 874,188.18/x
  3. Step 3: Cross multiply
    1,609,220.25x = 2,220,747.48 × 874,188.18
  4. Step 4: Simplify right side
    1,609,220.25x = 1,941,351,197,780.79
  5. Step 5: Solve for x
    x = 1,941,351,197,780.79/1,609,220.25
  6. Step 6: Final answer
    x = 1,206,392.47

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1.5x scale

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.