Home / 1,410,415.60-2,115,623.40-413,143.60

Finding the Fourth Proportional to 1,410,415.60, 2,115,623.40 and 413,143.60

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Solution

The fourth proportional to 1,410,415.60, 2,115,623.40 and 413,143.60 is: 619,715.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410,415.60 : 2,115,623.40 = 413,143.60 : x
  2. Step 2: Convert to fraction form
    1,410,415.60/2,115,623.40 = 413,143.60/x
  3. Step 3: Cross multiply
    1,410,415.60x = 2,115,623.40 × 413,143.60
  4. Step 4: Simplify right side
    1,410,415.60x = 874,056,267,720.24
  5. Step 5: Solve for x
    x = 874,056,267,720.24/1,410,415.60
  6. Step 6: Final answer
    x = 619,715.40

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Double scale
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1.5x scale

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.