Home / 1,362,953.61-1,880,831.88-782,272.32

Finding the Fourth Proportional to 1,362,953.61, 1,880,831.88 and 782,272.32

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Solution

The fourth proportional to 1,362,953.61, 1,880,831.88 and 782,272.32 is: 1,079,510.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,953.61 : 1,880,831.88 = 782,272.32 : x
  2. Step 2: Convert to fraction form
    1,362,953.61/1,880,831.88 = 782,272.32/x
  3. Step 3: Cross multiply
    1,362,953.61x = 1,880,831.88 × 782,272.32
  4. Step 4: Simplify right side
    1,362,953.61x = 1,471,322,718,297.56
  5. Step 5: Solve for x
    x = 1,471,322,718,297.56/1,362,953.61
  6. Step 6: Final answer
    x = 1,079,510.49

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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.