Home / 1,311,637.86-1,967,768.10-413,077.32

Finding the Fourth Proportional to 1,311,637.86, 1,967,768.10 and 413,077.32

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Solution

The fourth proportional to 1,311,637.86, 1,967,768.10 and 413,077.32 is: 619,714.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,637.86 : 1,967,768.10 = 413,077.32 : x
  2. Step 2: Convert to fraction form
    1,311,637.86/1,967,768.10 = 413,077.32/x
  3. Step 3: Cross multiply
    1,311,637.86x = 1,967,768.10 × 413,077.32
  4. Step 4: Simplify right side
    1,311,637.86x = 812,840,373,129.49
  5. Step 5: Solve for x
    x = 812,840,373,129.49/1,311,637.86
  6. Step 6: Final answer
    x = 619,714.02

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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.