Home / 1,038,702.22-1,557,897.12-328,637.86

Finding the Fourth Proportional to 1,038,702.22, 1,557,897.12 and 328,637.86

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Solution

The fourth proportional to 1,038,702.22, 1,557,897.12 and 328,637.86 is: 492,907.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,702.22 : 1,557,897.12 = 328,637.86 : x
  2. Step 2: Convert to fraction form
    1,038,702.22/1,557,897.12 = 328,637.86/x
  3. Step 3: Cross multiply
    1,038,702.22x = 1,557,897.12 × 328,637.86
  4. Step 4: Simplify right side
    1,038,702.22x = 511,983,975,616.96
  5. Step 5: Solve for x
    x = 511,983,975,616.96/1,038,702.22
  6. Step 6: Final answer
    x = 492,907.37

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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.