Home / 1,018,741.86-1,528,163.55-387,704.58

Finding the Fourth Proportional to 1,018,741.86, 1,528,163.55 and 387,704.58

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Solution

The fourth proportional to 1,018,741.86, 1,528,163.55 and 387,704.58 is: 581,576.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,741.86 : 1,528,163.55 = 387,704.58 : x
  2. Step 2: Convert to fraction form
    1,018,741.86/1,528,163.55 = 387,704.58/x
  3. Step 3: Cross multiply
    1,018,741.86x = 1,528,163.55 × 387,704.58
  4. Step 4: Simplify right side
    1,018,741.86x = 592,476,007,324.06
  5. Step 5: Solve for x
    x = 592,476,007,324.06/1,018,741.86
  6. Step 6: Final answer
    x = 581,576.19

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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.