Home / 1,263,334.08-1,743,423.84-690,398.40

Finding the Fourth Proportional to 1,263,334.08, 1,743,423.84 and 690,398.40

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Solution

The fourth proportional to 1,263,334.08, 1,743,423.84 and 690,398.40 is: 952,762.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,334.08 : 1,743,423.84 = 690,398.40 : x
  2. Step 2: Convert to fraction form
    1,263,334.08/1,743,423.84 = 690,398.40/x
  3. Step 3: Cross multiply
    1,263,334.08x = 1,743,423.84 × 690,398.40
  4. Step 4: Simplify right side
    1,263,334.08x = 1,203,657,029,657.86
  5. Step 5: Solve for x
    x = 1,203,657,029,657.86/1,263,334.08
  6. Step 6: Final answer
    x = 952,762.26

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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.