Home / 1,484,843.81-2,049,085.77-805,780.31

Finding the Fourth Proportional to 1,484,843.81, 2,049,085.77 and 805,780.31

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Solution

The fourth proportional to 1,484,843.81, 2,049,085.77 and 805,780.31 is: 1,111,977.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,484,843.81 : 2,049,085.77 = 805,780.31 : x
  2. Step 2: Convert to fraction form
    1,484,843.81/2,049,085.77 = 805,780.31/x
  3. Step 3: Cross multiply
    1,484,843.81x = 2,049,085.77 × 805,780.31
  4. Step 4: Simplify right side
    1,484,843.81x = 1,651,112,966,967.19
  5. Step 5: Solve for x
    x = 1,651,112,966,967.19/1,484,843.81
  6. Step 6: Final answer
    x = 1,111,977.54

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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.