Home / 1,121,433.84-1,682,174.48-401,822.40

Finding the Fourth Proportional to 1,121,433.84, 1,682,174.48 and 401,822.40

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Solution

The fourth proportional to 1,121,433.84, 1,682,174.48 and 401,822.40 is: 602,742.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,433.84 : 1,682,174.48 = 401,822.40 : x
  2. Step 2: Convert to fraction form
    1,121,433.84/1,682,174.48 = 401,822.40/x
  3. Step 3: Cross multiply
    1,121,433.84x = 1,682,174.48 × 401,822.40
  4. Step 4: Simplify right side
    1,121,433.84x = 675,935,386,772.35
  5. Step 5: Solve for x
    x = 675,935,386,772.35/1,121,433.84
  6. Step 6: Final answer
    x = 602,742.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.