Home / 1,203,889.20-1,805,833.80-1,073,252.40

Finding the Fourth Proportional to 1,203,889.20, 1,805,833.80 and 1,073,252.40

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Solution

The fourth proportional to 1,203,889.20, 1,805,833.80 and 1,073,252.40 is: 1,609,878.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,889.20 : 1,805,833.80 = 1,073,252.40 : x
  2. Step 2: Convert to fraction form
    1,203,889.20/1,805,833.80 = 1,073,252.40/x
  3. Step 3: Cross multiply
    1,203,889.20x = 1,805,833.80 × 1,073,252.40
  4. Step 4: Simplify right side
    1,203,889.20x = 1,938,115,459,851.12
  5. Step 5: Solve for x
    x = 1,938,115,459,851.12/1,203,889.20
  6. Step 6: Final answer
    x = 1,609,878.60

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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.