Home / 1,509,730.80-2,083,485.81-865,275.36

Finding the Fourth Proportional to 1,509,730.80, 2,083,485.81 and 865,275.36

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Solution

The fourth proportional to 1,509,730.80, 2,083,485.81 and 865,275.36 is: 1,194,112.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,509,730.80 : 2,083,485.81 = 865,275.36 : x
  2. Step 2: Convert to fraction form
    1,509,730.80/2,083,485.81 = 865,275.36/x
  3. Step 3: Cross multiply
    1,509,730.80x = 2,083,485.81 × 865,275.36
  4. Step 4: Simplify right side
    1,509,730.80x = 1,802,788,919,558.84
  5. Step 5: Solve for x
    x = 1,802,788,919,558.84/1,509,730.80
  6. Step 6: Final answer
    x = 1,194,112.83

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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.