Home / 1,484,842.90-2,049,071.22-805,779.40

Finding the Fourth Proportional to 1,484,842.90, 2,049,071.22 and 805,779.40

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Solution

The fourth proportional to 1,484,842.90, 2,049,071.22 and 805,779.40 is: 1,111,969.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,484,842.90 : 2,049,071.22 = 805,779.40 : x
  2. Step 2: Convert to fraction form
    1,484,842.90/2,049,071.22 = 805,779.40/x
  3. Step 3: Cross multiply
    1,484,842.90x = 2,049,071.22 × 805,779.40
  4. Step 4: Simplify right side
    1,484,842.90x = 1,651,099,378,208.87
  5. Step 5: Solve for x
    x = 1,651,099,378,208.87/1,484,842.90
  6. Step 6: Final answer
    x = 1,111,969.07

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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.