Home / 1,119,032.82-1,678,508.19-320,313.15

Finding the Fourth Proportional to 1,119,032.82, 1,678,508.19 and 320,313.15

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Solution

The fourth proportional to 1,119,032.82, 1,678,508.19 and 320,313.15 is: 480,457.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,032.82 : 1,678,508.19 = 320,313.15 : x
  2. Step 2: Convert to fraction form
    1,119,032.82/1,678,508.19 = 320,313.15/x
  3. Step 3: Cross multiply
    1,119,032.82x = 1,678,508.19 × 320,313.15
  4. Step 4: Simplify right side
    1,119,032.82x = 537,648,245,639.70
  5. Step 5: Solve for x
    x = 537,648,245,639.70/1,119,032.82
  6. Step 6: Final answer
    x = 480,457.98

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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.