Home / 1,640,626.55-2,263,726.57-942,772.43

Finding the Fourth Proportional to 1,640,626.55, 2,263,726.57 and 942,772.43

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Solution

The fourth proportional to 1,640,626.55, 2,263,726.57 and 942,772.43 is: 1,300,831.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,626.55 : 2,263,726.57 = 942,772.43 : x
  2. Step 2: Convert to fraction form
    1,640,626.55/2,263,726.57 = 942,772.43/x
  3. Step 3: Cross multiply
    1,640,626.55x = 2,263,726.57 × 942,772.43
  4. Step 4: Simplify right side
    1,640,626.55x = 2,134,178,999,254.47
  5. Step 5: Solve for x
    x = 2,134,178,999,254.47/1,640,626.55
  6. Step 6: Final answer
    x = 1,300,831.68

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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.