Home / 1,292,568.17-1,783,473.69-748,671.51

Finding the Fourth Proportional to 1,292,568.17, 1,783,473.69 and 748,671.51

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Solution

The fourth proportional to 1,292,568.17, 1,783,473.69 and 748,671.51 is: 1,033,010.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,568.17 : 1,783,473.69 = 748,671.51 : x
  2. Step 2: Convert to fraction form
    1,292,568.17/1,783,473.69 = 748,671.51/x
  3. Step 3: Cross multiply
    1,292,568.17x = 1,783,473.69 × 748,671.51
  4. Step 4: Simplify right side
    1,292,568.17x = 1,335,235,940,537.57
  5. Step 5: Solve for x
    x = 1,335,235,940,537.57/1,292,568.17
  6. Step 6: Final answer
    x = 1,033,010.08

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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.