Home / 1,626,886.47-2,439,838.39-489,346.70

Finding the Fourth Proportional to 1,626,886.47, 2,439,838.39 and 489,346.70

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Solution

The fourth proportional to 1,626,886.47, 2,439,838.39 and 489,346.70 is: 733,872.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,626,886.47 : 2,439,838.39 = 489,346.70 : x
  2. Step 2: Convert to fraction form
    1,626,886.47/2,439,838.39 = 489,346.70/x
  3. Step 3: Cross multiply
    1,626,886.47x = 2,439,838.39 × 489,346.70
  4. Step 4: Simplify right side
    1,626,886.47x = 1,193,926,852,480.62
  5. Step 5: Solve for x
    x = 1,193,926,852,480.62/1,626,886.47
  6. Step 6: Final answer
    x = 733,872.26

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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.