Home / 990,320.22-1,366,674.66-560,591.46

Finding the Fourth Proportional to 990,320.22, 1,366,674.66 and 560,591.46

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Solution

The fourth proportional to 990,320.22, 1,366,674.66 and 560,591.46 is: 773,634.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,320.22 : 1,366,674.66 = 560,591.46 : x
  2. Step 2: Convert to fraction form
    990,320.22/1,366,674.66 = 560,591.46/x
  3. Step 3: Cross multiply
    990,320.22x = 1,366,674.66 × 560,591.46
  4. Step 4: Simplify right side
    990,320.22x = 766,146,142,994.40
  5. Step 5: Solve for x
    x = 766,146,142,994.40/990,320.22
  6. Step 6: Final answer
    x = 773,634.76

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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.