Home / 1,632,409.20-2,252,376.72-987,701.04

Finding the Fourth Proportional to 1,632,409.20, 2,252,376.72 and 987,701.04

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Solution

The fourth proportional to 1,632,409.20, 2,252,376.72 and 987,701.04 is: 1,362,816.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,632,409.20 : 2,252,376.72 = 987,701.04 : x
  2. Step 2: Convert to fraction form
    1,632,409.20/2,252,376.72 = 987,701.04/x
  3. Step 3: Cross multiply
    1,632,409.20x = 2,252,376.72 × 987,701.04
  4. Step 4: Simplify right side
    1,632,409.20x = 2,224,674,828,815.79
  5. Step 5: Solve for x
    x = 2,224,674,828,815.79/1,632,409.20
  6. Step 6: Final answer
    x = 1,362,816.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.