Home / 1,410,415.10-2,115,622.65-413,143.10

Finding the Fourth Proportional to 1,410,415.10, 2,115,622.65 and 413,143.10

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Solution

The fourth proportional to 1,410,415.10, 2,115,622.65 and 413,143.10 is: 619,714.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410,415.10 : 2,115,622.65 = 413,143.10 : x
  2. Step 2: Convert to fraction form
    1,410,415.10/2,115,622.65 = 413,143.10/x
  3. Step 3: Cross multiply
    1,410,415.10x = 2,115,622.65 × 413,143.10
  4. Step 4: Simplify right side
    1,410,415.10x = 874,054,900,051.22
  5. Step 5: Solve for x
    x = 874,054,900,051.22/1,410,415.10
  6. Step 6: Final answer
    x = 619,714.65

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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.