Home / 1,643,475.65-2,465,773.97-885,394.89

Finding the Fourth Proportional to 1,643,475.65, 2,465,773.97 and 885,394.89

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Solution

The fourth proportional to 1,643,475.65, 2,465,773.97 and 885,394.89 is: 1,328,394.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,475.65 : 2,465,773.97 = 885,394.89 : x
  2. Step 2: Convert to fraction form
    1,643,475.65/2,465,773.97 = 885,394.89/x
  3. Step 3: Cross multiply
    1,643,475.65x = 2,465,773.97 × 885,394.89
  4. Step 4: Simplify right side
    1,643,475.65x = 2,183,183,668,506.04
  5. Step 5: Solve for x
    x = 2,183,183,668,506.04/1,643,475.65
  6. Step 6: Final answer
    x = 1,328,394.29

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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.