Home / 1,685,504.52-2,325,980.34-921,549.96

Finding the Fourth Proportional to 1,685,504.52, 2,325,980.34 and 921,549.96

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Solution

The fourth proportional to 1,685,504.52, 2,325,980.34 and 921,549.96 is: 1,271,730.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685,504.52 : 2,325,980.34 = 921,549.96 : x
  2. Step 2: Convert to fraction form
    1,685,504.52/2,325,980.34 = 921,549.96/x
  3. Step 3: Cross multiply
    1,685,504.52x = 2,325,980.34 × 921,549.96
  4. Step 4: Simplify right side
    1,685,504.52x = 2,143,507,089,287.79
  5. Step 5: Solve for x
    x = 2,143,507,089,287.79/1,685,504.52
  6. Step 6: Final answer
    x = 1,271,730.25

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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.