Home / 1,484,842.81-2,049,084.39-805,779.31

Finding the Fourth Proportional to 1,484,842.81, 2,049,084.39 and 805,779.31

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Solution

The fourth proportional to 1,484,842.81, 2,049,084.39 and 805,779.31 is: 1,111,976.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,484,842.81 : 2,049,084.39 = 805,779.31 : x
  2. Step 2: Convert to fraction form
    1,484,842.81/2,049,084.39 = 805,779.31/x
  3. Step 3: Cross multiply
    1,484,842.81x = 2,049,084.39 × 805,779.31
  4. Step 4: Simplify right side
    1,484,842.81x = 1,651,109,805,905.97
  5. Step 5: Solve for x
    x = 1,651,109,805,905.97/1,484,842.81
  6. Step 6: Final answer
    x = 1,111,976.16

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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.