Home / 1,263,328.08-1,743,415.56-690,392.40

Finding the Fourth Proportional to 1,263,328.08, 1,743,415.56 and 690,392.40

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Solution

The fourth proportional to 1,263,328.08, 1,743,415.56 and 690,392.40 is: 952,753.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,328.08 : 1,743,415.56 = 690,392.40 : x
  2. Step 2: Convert to fraction form
    1,263,328.08/1,743,415.56 = 690,392.40/x
  3. Step 3: Cross multiply
    1,263,328.08x = 1,743,415.56 × 690,392.40
  4. Step 4: Simplify right side
    1,263,328.08x = 1,203,640,852,665.74
  5. Step 5: Solve for x
    x = 1,203,640,852,665.74/1,263,328.08
  6. Step 6: Final answer
    x = 952,753.98

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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.