Home / 1,212,499.53-1,673,261.55-668,657.03

Finding the Fourth Proportional to 1,212,499.53, 1,673,261.55 and 668,657.03

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Solution

The fourth proportional to 1,212,499.53, 1,673,261.55 and 668,657.03 is: 922,753.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,499.53 : 1,673,261.55 = 668,657.03 : x
  2. Step 2: Convert to fraction form
    1,212,499.53/1,673,261.55 = 668,657.03/x
  3. Step 3: Cross multiply
    1,212,499.53x = 1,673,261.55 × 668,657.03
  4. Step 4: Simplify right side
    1,212,499.53x = 1,118,838,090,069.89
  5. Step 5: Solve for x
    x = 1,118,838,090,069.89/1,212,499.53
  6. Step 6: Final answer
    x = 922,753.42

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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.