Home / 1,056,235.92-1,457,215.56-729,527.28

Finding the Fourth Proportional to 1,056,235.92, 1,457,215.56 and 729,527.28

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Solution

The fourth proportional to 1,056,235.92, 1,457,215.56 and 729,527.28 is: 1,006,478.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056,235.92 : 1,457,215.56 = 729,527.28 : x
  2. Step 2: Convert to fraction form
    1,056,235.92/1,457,215.56 = 729,527.28/x
  3. Step 3: Cross multiply
    1,056,235.92x = 1,457,215.56 × 729,527.28
  4. Step 4: Simplify right side
    1,056,235.92x = 1,063,078,503,860.48
  5. Step 5: Solve for x
    x = 1,063,078,503,860.48/1,056,235.92
  6. Step 6: Final answer
    x = 1,006,478.27

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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.