Home / 1,449,785.60-2,174,678.40-1,379,801.60

Finding the Fourth Proportional to 1,449,785.60, 2,174,678.40 and 1,379,801.60

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Solution

The fourth proportional to 1,449,785.60, 2,174,678.40 and 1,379,801.60 is: 2,069,702.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449,785.60 : 2,174,678.40 = 1,379,801.60 : x
  2. Step 2: Convert to fraction form
    1,449,785.60/2,174,678.40 = 1,379,801.60/x
  3. Step 3: Cross multiply
    1,449,785.60x = 2,174,678.40 × 1,379,801.60
  4. Step 4: Simplify right side
    1,449,785.60x = 3,000,624,735,805.44
  5. Step 5: Solve for x
    x = 3,000,624,735,805.44/1,449,785.60
  6. Step 6: Final answer
    x = 2,069,702.40

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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.