Home / 1,785,285.60-2,677,928.40-455,589.60

Finding the Fourth Proportional to 1,785,285.60, 2,677,928.40 and 455,589.60

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Solution

The fourth proportional to 1,785,285.60, 2,677,928.40 and 455,589.60 is: 683,384.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,785,285.60 : 2,677,928.40 = 455,589.60 : x
  2. Step 2: Convert to fraction form
    1,785,285.60/2,677,928.40 = 455,589.60/x
  3. Step 3: Cross multiply
    1,785,285.60x = 2,677,928.40 × 455,589.60
  4. Step 4: Simplify right side
    1,785,285.60x = 1,220,036,328,584.64
  5. Step 5: Solve for x
    x = 1,220,036,328,584.64/1,785,285.60
  6. Step 6: Final answer
    x = 683,384.40

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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.