Home / 1,116,269.48-1,673,421.19-442,823.74

Finding the Fourth Proportional to 1,116,269.48, 1,673,421.19 and 442,823.74

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Solution

The fourth proportional to 1,116,269.48, 1,673,421.19 and 442,823.74 is: 663,845.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,269.48 : 1,673,421.19 = 442,823.74 : x
  2. Step 2: Convert to fraction form
    1,116,269.48/1,673,421.19 = 442,823.74/x
  3. Step 3: Cross multiply
    1,116,269.48x = 1,673,421.19 × 442,823.74
  4. Step 4: Simplify right side
    1,116,269.48x = 741,030,624,660.44
  5. Step 5: Solve for x
    x = 741,030,624,660.44/1,116,269.48
  6. Step 6: Final answer
    x = 663,845.64

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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.