Home / 1,431,623.43-1,975,522.86-842,829.39

Finding the Fourth Proportional to 1,431,623.43, 1,975,522.86 and 842,829.39

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Solution

The fourth proportional to 1,431,623.43, 1,975,522.86 and 842,829.39 is: 1,163,035.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,623.43 : 1,975,522.86 = 842,829.39 : x
  2. Step 2: Convert to fraction form
    1,431,623.43/1,975,522.86 = 842,829.39/x
  3. Step 3: Cross multiply
    1,431,623.43x = 1,975,522.86 × 842,829.39
  4. Step 4: Simplify right side
    1,431,623.43x = 1,665,028,727,024.86
  5. Step 5: Solve for x
    x = 1,665,028,727,024.86/1,431,623.43
  6. Step 6: Final answer
    x = 1,163,035.40

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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.