Home / 1,540,428.30-2,310,613.75-460,941.51

Finding the Fourth Proportional to 1,540,428.30, 2,310,613.75 and 460,941.51

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Solution

The fourth proportional to 1,540,428.30, 2,310,613.75 and 460,941.51 is: 691,403.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540,428.30 : 2,310,613.75 = 460,941.51 : x
  2. Step 2: Convert to fraction form
    1,540,428.30/2,310,613.75 = 460,941.51/x
  3. Step 3: Cross multiply
    1,540,428.30x = 2,310,613.75 × 460,941.51
  4. Step 4: Simplify right side
    1,540,428.30x = 1,065,057,790,951.76
  5. Step 5: Solve for x
    x = 1,065,057,790,951.76/1,540,428.30
  6. Step 6: Final answer
    x = 691,403.68

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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.