Home / 1,457,721.76-2,185,073.52-708,837.28

Finding the Fourth Proportional to 1,457,721.76, 2,185,073.52 and 708,837.28

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Solution

The fourth proportional to 1,457,721.76, 2,185,073.52 and 708,837.28 is: 1,062,522.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,721.76 : 2,185,073.52 = 708,837.28 : x
  2. Step 2: Convert to fraction form
    1,457,721.76/2,185,073.52 = 708,837.28/x
  3. Step 3: Cross multiply
    1,457,721.76x = 2,185,073.52 × 708,837.28
  4. Step 4: Simplify right side
    1,457,721.76x = 1,548,861,570,516.83
  5. Step 5: Solve for x
    x = 1,548,861,570,516.83/1,457,721.76
  6. Step 6: Final answer
    x = 1,062,522.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.