Home / 1,207,836.75-1,666,835.79-663,995.46

Finding the Fourth Proportional to 1,207,836.75, 1,666,835.79 and 663,995.46

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Solution

The fourth proportional to 1,207,836.75, 1,666,835.79 and 663,995.46 is: 916,325.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,836.75 : 1,666,835.79 = 663,995.46 : x
  2. Step 2: Convert to fraction form
    1,207,836.75/1,666,835.79 = 663,995.46/x
  3. Step 3: Cross multiply
    1,207,836.75x = 1,666,835.79 × 663,995.46
  4. Step 4: Simplify right side
    1,207,836.75x = 1,106,771,397,125.51
  5. Step 5: Solve for x
    x = 1,106,771,397,125.51/1,207,836.75
  6. Step 6: Final answer
    x = 916,325.32

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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.