Home / 1,335,408.56-1,842,864.53-723,561.81

Finding the Fourth Proportional to 1,335,408.56, 1,842,864.53 and 723,561.81

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Solution

The fourth proportional to 1,335,408.56, 1,842,864.53 and 723,561.81 is: 998,515.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,408.56 : 1,842,864.53 = 723,561.81 : x
  2. Step 2: Convert to fraction form
    1,335,408.56/1,842,864.53 = 723,561.81/x
  3. Step 3: Cross multiply
    1,335,408.56x = 1,842,864.53 × 723,561.81
  4. Step 4: Simplify right side
    1,335,408.56x = 1,333,426,394,749.16
  5. Step 5: Solve for x
    x = 1,333,426,394,749.16/1,335,408.56
  6. Step 6: Final answer
    x = 998,515.69

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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.