Home / 1,421,254.55-1,961,531.31-904,843.48

Finding the Fourth Proportional to 1,421,254.55, 1,961,531.31 and 904,843.48

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Solution

The fourth proportional to 1,421,254.55, 1,961,531.31 and 904,843.48 is: 1,248,811.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,254.55 : 1,961,531.31 = 904,843.48 : x
  2. Step 2: Convert to fraction form
    1,421,254.55/1,961,531.31 = 904,843.48/x
  3. Step 3: Cross multiply
    1,421,254.55x = 1,961,531.31 × 904,843.48
  4. Step 4: Simplify right side
    1,421,254.55x = 1,774,878,810,824.28
  5. Step 5: Solve for x
    x = 1,774,878,810,824.28/1,421,254.55
  6. Step 6: Final answer
    x = 1,248,811.35

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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.