Home / 1,038,703.22-1,557,898.62-328,638.86

Finding the Fourth Proportional to 1,038,703.22, 1,557,898.62 and 328,638.86

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Solution

The fourth proportional to 1,038,703.22, 1,557,898.62 and 328,638.86 is: 492,908.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,703.22 : 1,557,898.62 = 328,638.86 : x
  2. Step 2: Convert to fraction form
    1,038,703.22/1,557,898.62 = 328,638.86/x
  3. Step 3: Cross multiply
    1,038,703.22x = 1,557,898.62 × 328,638.86
  4. Step 4: Simplify right side
    1,038,703.22x = 511,986,026,472.37
  5. Step 5: Solve for x
    x = 511,986,026,472.37/1,038,703.22
  6. Step 6: Final answer
    x = 492,908.87

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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.