Home / 1,188,485.52-1,783,272.60-514,772.88

Finding the Fourth Proportional to 1,188,485.52, 1,783,272.60 and 514,772.88

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Solution

The fourth proportional to 1,188,485.52, 1,783,272.60 and 514,772.88 is: 772,395.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,485.52 : 1,783,272.60 = 514,772.88 : x
  2. Step 2: Convert to fraction form
    1,188,485.52/1,783,272.60 = 514,772.88/x
  3. Step 3: Cross multiply
    1,188,485.52x = 1,783,272.60 × 514,772.88
  4. Step 4: Simplify right side
    1,188,485.52x = 917,980,372,127.09
  5. Step 5: Solve for x
    x = 917,980,372,127.09/1,188,485.52
  6. Step 6: Final answer
    x = 772,395.08

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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.