Home / 1,159,129.02-1,738,256.70-485,256.87

Finding the Fourth Proportional to 1,159,129.02, 1,738,256.70 and 485,256.87

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Solution

The fourth proportional to 1,159,129.02, 1,738,256.70 and 485,256.87 is: 727,702.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,129.02 : 1,738,256.70 = 485,256.87 : x
  2. Step 2: Convert to fraction form
    1,159,129.02/1,738,256.70 = 485,256.87/x
  3. Step 3: Cross multiply
    1,159,129.02x = 1,738,256.70 × 485,256.87
  4. Step 4: Simplify right side
    1,159,129.02x = 843,501,005,498.53
  5. Step 5: Solve for x
    x = 843,501,005,498.53/1,159,129.02
  6. Step 6: Final answer
    x = 727,702.43

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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.