Home / 1,630,738.91-2,445,824.03-432,782.34

Finding the Fourth Proportional to 1,630,738.91, 2,445,824.03 and 432,782.34

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Solution

The fourth proportional to 1,630,738.91, 2,445,824.03 and 432,782.34 is: 649,098.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,738.91 : 2,445,824.03 = 432,782.34 : x
  2. Step 2: Convert to fraction form
    1,630,738.91/2,445,824.03 = 432,782.34/x
  3. Step 3: Cross multiply
    1,630,738.91x = 2,445,824.03 × 432,782.34
  4. Step 4: Simplify right side
    1,630,738.91x = 1,058,509,444,767.72
  5. Step 5: Solve for x
    x = 1,058,509,444,767.72/1,630,738.91
  6. Step 6: Final answer
    x = 649,098.05

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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.