Home / 1,637,926.40-2,260,340.60-912,758.21

Finding the Fourth Proportional to 1,637,926.40, 2,260,340.60 and 912,758.21

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Solution

The fourth proportional to 1,637,926.40, 2,260,340.60 and 912,758.21 is: 1,259,607.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637,926.40 : 2,260,340.60 = 912,758.21 : x
  2. Step 2: Convert to fraction form
    1,637,926.40/2,260,340.60 = 912,758.21/x
  3. Step 3: Cross multiply
    1,637,926.40x = 2,260,340.60 × 912,758.21
  4. Step 4: Simplify right side
    1,637,926.40x = 2,063,144,440,046.33
  5. Step 5: Solve for x
    x = 2,063,144,440,046.33/1,637,926.40
  6. Step 6: Final answer
    x = 1,259,607.54

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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.