Home / 1,038,007.58-1,556,877.44-328,107.38

Finding the Fourth Proportional to 1,038,007.58, 1,556,877.44 and 328,107.38

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Solution

The fourth proportional to 1,038,007.58, 1,556,877.44 and 328,107.38 is: 492,118.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,007.58 : 1,556,877.44 = 328,107.38 : x
  2. Step 2: Convert to fraction form
    1,038,007.58/1,556,877.44 = 328,107.38/x
  3. Step 3: Cross multiply
    1,038,007.58x = 1,556,877.44 × 328,107.38
  4. Step 4: Simplify right side
    1,038,007.58x = 510,822,977,819.51
  5. Step 5: Solve for x
    x = 510,822,977,819.51/1,038,007.58
  6. Step 6: Final answer
    x = 492,118.74

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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.