Home / 1,038,018.30-1,557,076.05-328,101.90

Finding the Fourth Proportional to 1,038,018.30, 1,557,076.05 and 328,101.90

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Solution

The fourth proportional to 1,038,018.30, 1,557,076.05 and 328,101.90 is: 492,168.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,018.30 : 1,557,076.05 = 328,101.90 : x
  2. Step 2: Convert to fraction form
    1,038,018.30/1,557,076.05 = 328,101.90/x
  3. Step 3: Cross multiply
    1,038,018.30x = 1,557,076.05 × 328,101.90
  4. Step 4: Simplify right side
    1,038,018.30x = 510,879,610,449.50
  5. Step 5: Solve for x
    x = 510,879,610,449.50/1,038,018.30
  6. Step 6: Final answer
    x = 492,168.21

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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.