Home / 1,242,233.39-1,714,265.66-690,945.35

Finding the Fourth Proportional to 1,242,233.39, 1,714,265.66 and 690,945.35

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Solution

The fourth proportional to 1,242,233.39, 1,714,265.66 and 690,945.35 is: 953,495.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,233.39 : 1,714,265.66 = 690,945.35 : x
  2. Step 2: Convert to fraction form
    1,242,233.39/1,714,265.66 = 690,945.35/x
  3. Step 3: Cross multiply
    1,242,233.39x = 1,714,265.66 × 690,945.35
  4. Step 4: Simplify right side
    1,242,233.39x = 1,184,463,882,986.95
  5. Step 5: Solve for x
    x = 1,184,463,882,986.95/1,242,233.39
  6. Step 6: Final answer
    x = 953,495.45

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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.