Home / 1,421,255.55-1,961,532.69-904,844.48

Finding the Fourth Proportional to 1,421,255.55, 1,961,532.69 and 904,844.48

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Solution

The fourth proportional to 1,421,255.55, 1,961,532.69 and 904,844.48 is: 1,248,812.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,255.55 : 1,961,532.69 = 904,844.48 : x
  2. Step 2: Convert to fraction form
    1,421,255.55/1,961,532.69 = 904,844.48/x
  3. Step 3: Cross multiply
    1,421,255.55x = 1,961,532.69 × 904,844.48
  4. Step 4: Simplify right side
    1,421,255.55x = 1,774,882,026,886.05
  5. Step 5: Solve for x
    x = 1,774,882,026,886.05/1,421,255.55
  6. Step 6: Final answer
    x = 1,248,812.73

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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.