Home / 1,207,845.36-1,666,832.04-664,016.13

Finding the Fourth Proportional to 1,207,845.36, 1,666,832.04 and 664,016.13

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Solution

The fourth proportional to 1,207,845.36, 1,666,832.04 and 664,016.13 is: 916,345.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,845.36 : 1,666,832.04 = 664,016.13 : x
  2. Step 2: Convert to fraction form
    1,207,845.36/1,666,832.04 = 664,016.13/x
  3. Step 3: Cross multiply
    1,207,845.36x = 1,666,832.04 × 664,016.13
  4. Step 4: Simplify right side
    1,207,845.36x = 1,106,803,360,560.81
  5. Step 5: Solve for x
    x = 1,106,803,360,560.81/1,207,845.36
  6. Step 6: Final answer
    x = 916,345.25

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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.