Home / 1,637,222.09-2,259,367.76-912,071.61

Finding the Fourth Proportional to 1,637,222.09, 2,259,367.76 and 912,071.61

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Solution

The fourth proportional to 1,637,222.09, 2,259,367.76 and 912,071.61 is: 1,258,659.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637,222.09 : 2,259,367.76 = 912,071.61 : x
  2. Step 2: Convert to fraction form
    1,637,222.09/2,259,367.76 = 912,071.61/x
  3. Step 3: Cross multiply
    1,637,222.09x = 2,259,367.76 × 912,071.61
  4. Step 4: Simplify right side
    1,637,222.09x = 2,060,705,192,725.47
  5. Step 5: Solve for x
    x = 2,060,705,192,725.47/1,637,222.09
  6. Step 6: Final answer
    x = 1,258,659.54

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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.