Home / 1,405,725.60-2,108,588.40-874,284.60

Finding the Fourth Proportional to 1,405,725.60, 2,108,588.40 and 874,284.60

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Solution

The fourth proportional to 1,405,725.60, 2,108,588.40 and 874,284.60 is: 1,311,426.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,725.60 : 2,108,588.40 = 874,284.60 : x
  2. Step 2: Convert to fraction form
    1,405,725.60/2,108,588.40 = 874,284.60/x
  3. Step 3: Cross multiply
    1,405,725.60x = 2,108,588.40 × 874,284.60
  4. Step 4: Simplify right side
    1,405,725.60x = 1,843,506,365,858.64
  5. Step 5: Solve for x
    x = 1,843,506,365,858.64/1,405,725.60
  6. Step 6: Final answer
    x = 1,311,426.90

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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.