Home / 1,509,903.80-2,083,753.46-865,431.36

Finding the Fourth Proportional to 1,509,903.80, 2,083,753.46 and 865,431.36

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Solution

The fourth proportional to 1,509,903.80, 2,083,753.46 and 865,431.36 is: 1,194,344.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,509,903.80 : 2,083,753.46 = 865,431.36 : x
  2. Step 2: Convert to fraction form
    1,509,903.80/2,083,753.46 = 865,431.36/x
  3. Step 3: Cross multiply
    1,509,903.80x = 2,083,753.46 × 865,431.36
  4. Step 4: Simplify right side
    1,509,903.80x = 1,803,345,590,792.51
  5. Step 5: Solve for x
    x = 1,803,345,590,792.51/1,509,903.80
  6. Step 6: Final answer
    x = 1,194,344.69

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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.