Home / 1,054,213.16-1,454,220.26-666,908.42

Finding the Fourth Proportional to 1,054,213.16, 1,454,220.26 and 666,908.42

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Solution

The fourth proportional to 1,054,213.16, 1,454,220.26 and 666,908.42 is: 919,957.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,213.16 : 1,454,220.26 = 666,908.42 : x
  2. Step 2: Convert to fraction form
    1,054,213.16/1,454,220.26 = 666,908.42/x
  3. Step 3: Cross multiply
    1,054,213.16x = 1,454,220.26 × 666,908.42
  4. Step 4: Simplify right side
    1,054,213.16x = 969,831,735,928.59
  5. Step 5: Solve for x
    x = 969,831,735,928.59/1,054,213.16
  6. Step 6: Final answer
    x = 919,957.91

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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.