Home / 1,362,955.62-1,880,834.64-782,274.32

Finding the Fourth Proportional to 1,362,955.62, 1,880,834.64 and 782,274.32

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Solution

The fourth proportional to 1,362,955.62, 1,880,834.64 and 782,274.32 is: 1,079,513.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,955.62 : 1,880,834.64 = 782,274.32 : x
  2. Step 2: Convert to fraction form
    1,362,955.62/1,880,834.64 = 782,274.32/x
  3. Step 3: Cross multiply
    1,362,955.62x = 1,880,834.64 × 782,274.32
  4. Step 4: Simplify right side
    1,362,955.62x = 1,471,328,639,038.44
  5. Step 5: Solve for x
    x = 1,471,328,639,038.44/1,362,955.62
  6. Step 6: Final answer
    x = 1,079,513.24

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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.