Home / 1,484,106.40-2,227,196.40-643,261.60

Finding the Fourth Proportional to 1,484,106.40, 2,227,196.40 and 643,261.60

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Solution

The fourth proportional to 1,484,106.40, 2,227,196.40 and 643,261.60 is: 965,341.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,484,106.40 : 2,227,196.40 = 643,261.60 : x
  2. Step 2: Convert to fraction form
    1,484,106.40/2,227,196.40 = 643,261.60/x
  3. Step 3: Cross multiply
    1,484,106.40x = 2,227,196.40 × 643,261.60
  4. Step 4: Simplify right side
    1,484,106.40x = 1,432,669,919,778.24
  5. Step 5: Solve for x
    x = 1,432,669,919,778.24/1,484,106.40
  6. Step 6: Final answer
    x = 965,341.78

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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.