Home / 1,175,440.40-1,763,743.80-670,389.20

Finding the Fourth Proportional to 1,175,440.40, 1,763,743.80 and 670,389.20

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Solution

The fourth proportional to 1,175,440.40, 1,763,743.80 and 670,389.20 is: 1,005,916.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175,440.40 : 1,763,743.80 = 670,389.20 : x
  2. Step 2: Convert to fraction form
    1,175,440.40/1,763,743.80 = 670,389.20/x
  3. Step 3: Cross multiply
    1,175,440.40x = 1,763,743.80 × 670,389.20
  4. Step 4: Simplify right side
    1,175,440.40x = 1,182,394,795,086.96
  5. Step 5: Solve for x
    x = 1,182,394,795,086.96/1,175,440.40
  6. Step 6: Final answer
    x = 1,005,916.42

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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.