Home / 1,207,967.36-1,666,952.48-664,099.24

Finding the Fourth Proportional to 1,207,967.36, 1,666,952.48 and 664,099.24

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Solution

The fourth proportional to 1,207,967.36, 1,666,952.48 and 664,099.24 is: 916,433.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,967.36 : 1,666,952.48 = 664,099.24 : x
  2. Step 2: Convert to fraction form
    1,207,967.36/1,666,952.48 = 664,099.24/x
  3. Step 3: Cross multiply
    1,207,967.36x = 1,666,952.48 × 664,099.24
  4. Step 4: Simplify right side
    1,207,967.36x = 1,107,021,875,084.12
  5. Step 5: Solve for x
    x = 1,107,021,875,084.12/1,207,967.36
  6. Step 6: Final answer
    x = 916,433.60

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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.