Home / 1,630,955.76-2,446,243.38-432,971.16

Finding the Fourth Proportional to 1,630,955.76, 2,446,243.38 and 432,971.16

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Solution

The fourth proportional to 1,630,955.76, 2,446,243.38 and 432,971.16 is: 649,406.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,955.76 : 2,446,243.38 = 432,971.16 : x
  2. Step 2: Convert to fraction form
    1,630,955.76/2,446,243.38 = 432,971.16/x
  3. Step 3: Cross multiply
    1,630,955.76x = 2,446,243.38 × 432,971.16
  4. Step 4: Simplify right side
    1,630,955.76x = 1,059,152,833,880.92
  5. Step 5: Solve for x
    x = 1,059,152,833,880.92/1,630,955.76
  6. Step 6: Final answer
    x = 649,406.23

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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.