Home / 1,124,165.40-1,687,025.70-808,848.60

Finding the Fourth Proportional to 1,124,165.40, 1,687,025.70 and 808,848.60

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Solution

The fourth proportional to 1,124,165.40, 1,687,025.70 and 808,848.60 is: 1,213,832.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,165.40 : 1,687,025.70 = 808,848.60 : x
  2. Step 2: Convert to fraction form
    1,124,165.40/1,687,025.70 = 808,848.60/x
  3. Step 3: Cross multiply
    1,124,165.40x = 1,687,025.70 × 808,848.60
  4. Step 4: Simplify right side
    1,124,165.40x = 1,364,548,375,609.02
  5. Step 5: Solve for x
    x = 1,364,548,375,609.02/1,124,165.40
  6. Step 6: Final answer
    x = 1,213,832.39

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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.