Home / 1,255,887.72-1,737,688.74-1,095,077.88

Finding the Fourth Proportional to 1,255,887.72, 1,737,688.74 and 1,095,077.88

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Solution

The fourth proportional to 1,255,887.72, 1,737,688.74 and 1,095,077.88 is: 1,515,186.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,887.72 : 1,737,688.74 = 1,095,077.88 : x
  2. Step 2: Convert to fraction form
    1,255,887.72/1,737,688.74 = 1,095,077.88/x
  3. Step 3: Cross multiply
    1,255,887.72x = 1,737,688.74 × 1,095,077.88
  4. Step 4: Simplify right side
    1,255,887.72x = 1,902,904,501,499.07
  5. Step 5: Solve for x
    x = 1,902,904,501,499.07/1,255,887.72
  6. Step 6: Final answer
    x = 1,515,186.80

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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.