Home / 1,138,440.01-1,571,048.74-654,995.46

Finding the Fourth Proportional to 1,138,440.01, 1,571,048.74 and 654,995.46

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Solution

The fourth proportional to 1,138,440.01, 1,571,048.74 and 654,995.46 is: 903,894.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,440.01 : 1,571,048.74 = 654,995.46 : x
  2. Step 2: Convert to fraction form
    1,138,440.01/1,571,048.74 = 654,995.46/x
  3. Step 3: Cross multiply
    1,138,440.01x = 1,571,048.74 × 654,995.46
  4. Step 4: Simplify right side
    1,138,440.01x = 1,029,029,792,138.72
  5. Step 5: Solve for x
    x = 1,029,029,792,138.72/1,138,440.01
  6. Step 6: Final answer
    x = 903,894.61

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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.