Home / 1,020,394.46-1,530,062.26-300,642.74

Finding the Fourth Proportional to 1,020,394.46, 1,530,062.26 and 300,642.74

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Solution

The fourth proportional to 1,020,394.46, 1,530,062.26 and 300,642.74 is: 450,808.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,394.46 : 1,530,062.26 = 300,642.74 : x
  2. Step 2: Convert to fraction form
    1,020,394.46/1,530,062.26 = 300,642.74/x
  3. Step 3: Cross multiply
    1,020,394.46x = 1,530,062.26 × 300,642.74
  4. Step 4: Simplify right side
    1,020,394.46x = 460,002,107,552.81
  5. Step 5: Solve for x
    x = 460,002,107,552.81/1,020,394.46
  6. Step 6: Final answer
    x = 450,808.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.