Home / 1,108,032.27-1,661,688.57-424,883.20

Finding the Fourth Proportional to 1,108,032.27, 1,661,688.57 and 424,883.20

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Solution

The fourth proportional to 1,108,032.27, 1,661,688.57 and 424,883.20 is: 637,186.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,032.27 : 1,661,688.57 = 424,883.20 : x
  2. Step 2: Convert to fraction form
    1,108,032.27/1,661,688.57 = 424,883.20/x
  3. Step 3: Cross multiply
    1,108,032.27x = 1,661,688.57 × 424,883.20
  4. Step 4: Simplify right side
    1,108,032.27x = 706,023,557,025.02
  5. Step 5: Solve for x
    x = 706,023,557,025.02/1,108,032.27
  6. Step 6: Final answer
    x = 637,186.82

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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.