Home / 1,637,072.32-2,259,125.76-911,919.04

Finding the Fourth Proportional to 1,637,072.32, 2,259,125.76 and 911,919.04

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Solution

The fourth proportional to 1,637,072.32, 2,259,125.76 and 911,919.04 is: 1,258,429.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637,072.32 : 2,259,125.76 = 911,919.04 : x
  2. Step 2: Convert to fraction form
    1,637,072.32/2,259,125.76 = 911,919.04/x
  3. Step 3: Cross multiply
    1,637,072.32x = 2,259,125.76 × 911,919.04
  4. Step 4: Simplify right side
    1,637,072.32x = 2,060,139,794,298.47
  5. Step 5: Solve for x
    x = 2,060,139,794,298.47/1,637,072.32
  6. Step 6: Final answer
    x = 1,258,429.31

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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.