Home / 1,145,252.40-1,717,878.60-1,047,821.55

Finding the Fourth Proportional to 1,145,252.40, 1,717,878.60 and 1,047,821.55

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Solution

The fourth proportional to 1,145,252.40, 1,717,878.60 and 1,047,821.55 is: 1,571,732.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,252.40 : 1,717,878.60 = 1,047,821.55 : x
  2. Step 2: Convert to fraction form
    1,145,252.40/1,717,878.60 = 1,047,821.55/x
  3. Step 3: Cross multiply
    1,145,252.40x = 1,717,878.60 × 1,047,821.55
  4. Step 4: Simplify right side
    1,145,252.40x = 1,800,030,217,363.83
  5. Step 5: Solve for x
    x = 1,800,030,217,363.83/1,145,252.40
  6. Step 6: Final answer
    x = 1,571,732.33

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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.