Home / 990,653.40-1,367,117.58-560,922.04

Finding the Fourth Proportional to 990,653.40, 1,367,117.58 and 560,922.04

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Solution

The fourth proportional to 990,653.40, 1,367,117.58 and 560,922.04 is: 774,081.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,653.40 : 1,367,117.58 = 560,922.04 : x
  2. Step 2: Convert to fraction form
    990,653.40/1,367,117.58 = 560,922.04/x
  3. Step 3: Cross multiply
    990,653.40x = 1,367,117.58 × 560,922.04
  4. Step 4: Simplify right side
    990,653.40x = 766,846,381,893.46
  5. Step 5: Solve for x
    x = 766,846,381,893.46/990,653.40
  6. Step 6: Final answer
    x = 774,081.41

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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.