Home / 1,443,803.07-2,167,833.56-805,354.21

Finding the Fourth Proportional to 1,443,803.07, 2,167,833.56 and 805,354.21

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Solution

The fourth proportional to 1,443,803.07, 2,167,833.56 and 805,354.21 is: 1,209,218.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,803.07 : 2,167,833.56 = 805,354.21 : x
  2. Step 2: Convert to fraction form
    1,443,803.07/2,167,833.56 = 805,354.21/x
  3. Step 3: Cross multiply
    1,443,803.07x = 2,167,833.56 × 805,354.21
  4. Step 4: Simplify right side
    1,443,803.07x = 1,745,873,881,590.51
  5. Step 5: Solve for x
    x = 1,745,873,881,590.51/1,443,803.07
  6. Step 6: Final answer
    x = 1,209,218.85

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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.