Home / 1,149,362.22-1,586,119.76-666,207.63

Finding the Fourth Proportional to 1,149,362.22, 1,586,119.76 and 666,207.63

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Solution

The fourth proportional to 1,149,362.22, 1,586,119.76 and 666,207.63 is: 919,366.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,362.22 : 1,586,119.76 = 666,207.63 : x
  2. Step 2: Convert to fraction form
    1,149,362.22/1,586,119.76 = 666,207.63/x
  3. Step 3: Cross multiply
    1,149,362.22x = 1,586,119.76 × 666,207.63
  4. Step 4: Simplify right side
    1,149,362.22x = 1,056,685,085,373.01
  5. Step 5: Solve for x
    x = 1,056,685,085,373.01/1,149,362.22
  6. Step 6: Final answer
    x = 919,366.47

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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.