Home / 1,484,109.40-2,227,200.90-643,264.60

Finding the Fourth Proportional to 1,484,109.40, 2,227,200.90 and 643,264.60

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Solution

The fourth proportional to 1,484,109.40, 2,227,200.90 and 643,264.60 is: 965,346.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,484,109.40 : 2,227,200.90 = 643,264.60 : x
  2. Step 2: Convert to fraction form
    1,484,109.40/2,227,200.90 = 643,264.60/x
  3. Step 3: Cross multiply
    1,484,109.40x = 2,227,200.90 × 643,264.60
  4. Step 4: Simplify right side
    1,484,109.40x = 1,432,679,496,058.14
  5. Step 5: Solve for x
    x = 1,432,679,496,058.14/1,484,109.40
  6. Step 6: Final answer
    x = 965,346.29

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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.