Home / 1,261,886.20-1,892,829.30-758,001.40

Finding the Fourth Proportional to 1,261,886.20, 1,892,829.30 and 758,001.40

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Solution

The fourth proportional to 1,261,886.20, 1,892,829.30 and 758,001.40 is: 1,137,002.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,886.20 : 1,892,829.30 = 758,001.40 : x
  2. Step 2: Convert to fraction form
    1,261,886.20/1,892,829.30 = 758,001.40/x
  3. Step 3: Cross multiply
    1,261,886.20x = 1,892,829.30 × 758,001.40
  4. Step 4: Simplify right side
    1,261,886.20x = 1,434,767,259,361.02
  5. Step 5: Solve for x
    x = 1,434,767,259,361.02/1,261,886.20
  6. Step 6: Final answer
    x = 1,137,002.10

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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.