Home / 3,185,703.40-4,778,493.66-789,553

Finding the Fourth Proportional to 3,185,703.40, 4,778,493.66 and 789,553

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Solution

The fourth proportional to 3,185,703.40, 4,778,493.66 and 789,553 is: 1,184,314.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,185,703.40 : 4,778,493.66 = 789,553 : x
  2. Step 2: Convert to fraction form
    3,185,703.40/4,778,493.66 = 789,553/x
  3. Step 3: Cross multiply
    3,185,703.40x = 4,778,493.66 × 789,553
  4. Step 4: Simplify right side
    3,185,703.40x = 3,772,874,004,733.98
  5. Step 5: Solve for x
    x = 3,772,874,004,733.98/3,185,703.40
  6. Step 6: Final answer
    x = 1,184,314.27

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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.