Home / 1,450,140.91-2,001,126.55-805,600.42

Finding the Fourth Proportional to 1,450,140.91, 2,001,126.55 and 805,600.42

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Solution

The fourth proportional to 1,450,140.91, 2,001,126.55 and 805,600.42 is: 1,111,690.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450,140.91 : 2,001,126.55 = 805,600.42 : x
  2. Step 2: Convert to fraction form
    1,450,140.91/2,001,126.55 = 805,600.42/x
  3. Step 3: Cross multiply
    1,450,140.91x = 2,001,126.55 × 805,600.42
  4. Step 4: Simplify right side
    1,450,140.91x = 1,612,108,389,153.15
  5. Step 5: Solve for x
    x = 1,612,108,389,153.15/1,450,140.91
  6. Step 6: Final answer
    x = 1,111,690.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.