Home / 1,990,325.82-2,985,590.80-570,394.20

Finding the Fourth Proportional to 1,990,325.82, 2,985,590.80 and 570,394.20

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Solution

The fourth proportional to 1,990,325.82, 2,985,590.80 and 570,394.20 is: 855,620.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,325.82 : 2,985,590.80 = 570,394.20 : x
  2. Step 2: Convert to fraction form
    1,990,325.82/2,985,590.80 = 570,394.20/x
  3. Step 3: Cross multiply
    1,990,325.82x = 2,985,590.80 × 570,394.20
  4. Step 4: Simplify right side
    1,990,325.82x = 1,702,963,675,893.36
  5. Step 5: Solve for x
    x = 1,702,963,675,893.36/1,990,325.82
  6. Step 6: Final answer
    x = 855,620.55

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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.