Home / 1,512,115.90-2,268,173.85-874,386.70

Finding the Fourth Proportional to 1,512,115.90, 2,268,173.85 and 874,386.70

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Solution

The fourth proportional to 1,512,115.90, 2,268,173.85 and 874,386.70 is: 1,311,580.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,115.90 : 2,268,173.85 = 874,386.70 : x
  2. Step 2: Convert to fraction form
    1,512,115.90/2,268,173.85 = 874,386.70/x
  3. Step 3: Cross multiply
    1,512,115.90x = 2,268,173.85 × 874,386.70
  4. Step 4: Simplify right side
    1,512,115.90x = 1,983,261,047,727.80
  5. Step 5: Solve for x
    x = 1,983,261,047,727.80/1,512,115.90
  6. Step 6: Final answer
    x = 1,311,580.05

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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.