Home / 990,464.19-1,363,780.13-773,549.07

Finding the Fourth Proportional to 990,464.19, 1,363,780.13 and 773,549.07

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Solution

The fourth proportional to 990,464.19, 1,363,780.13 and 773,549.07 is: 1,065,107.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,464.19 : 1,363,780.13 = 773,549.07 : x
  2. Step 2: Convert to fraction form
    990,464.19/1,363,780.13 = 773,549.07/x
  3. Step 3: Cross multiply
    990,464.19x = 1,363,780.13 × 773,549.07
  4. Step 4: Simplify right side
    990,464.19x = 1,054,950,847,378.23
  5. Step 5: Solve for x
    x = 1,054,950,847,378.23/990,464.19
  6. Step 6: Final answer
    x = 1,065,107.51

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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.