Home / 1,260,602.90-1,890,920.80-419,154.64

Finding the Fourth Proportional to 1,260,602.90, 1,890,920.80 and 419,154.64

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Solution

The fourth proportional to 1,260,602.90, 1,890,920.80 and 419,154.64 is: 628,737.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,602.90 : 1,890,920.80 = 419,154.64 : x
  2. Step 2: Convert to fraction form
    1,260,602.90/1,890,920.80 = 419,154.64/x
  3. Step 3: Cross multiply
    1,260,602.90x = 1,890,920.80 × 419,154.64
  4. Step 4: Simplify right side
    1,260,602.90x = 792,588,227,192.51
  5. Step 5: Solve for x
    x = 792,588,227,192.51/1,260,602.90
  6. Step 6: Final answer
    x = 628,737.43

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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.