Home / 1,485,276.29-2,049,531.68-840,584.23

Finding the Fourth Proportional to 1,485,276.29, 2,049,531.68 and 840,584.23

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Solution

The fourth proportional to 1,485,276.29, 2,049,531.68 and 840,584.23 is: 1,159,921.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,276.29 : 2,049,531.68 = 840,584.23 : x
  2. Step 2: Convert to fraction form
    1,485,276.29/2,049,531.68 = 840,584.23/x
  3. Step 3: Cross multiply
    1,485,276.29x = 2,049,531.68 × 840,584.23
  4. Step 4: Simplify right side
    1,485,276.29x = 1,722,804,006,071.04
  5. Step 5: Solve for x
    x = 1,722,804,006,071.04/1,485,276.29
  6. Step 6: Final answer
    x = 1,159,921.57

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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.