Home / 1,146,345.40-1,720,830.30-673,297.30

Finding the Fourth Proportional to 1,146,345.40, 1,720,830.30 and 673,297.30

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Solution

The fourth proportional to 1,146,345.40, 1,720,830.30 and 673,297.30 is: 1,010,716.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,345.40 : 1,720,830.30 = 673,297.30 : x
  2. Step 2: Convert to fraction form
    1,146,345.40/1,720,830.30 = 673,297.30/x
  3. Step 3: Cross multiply
    1,146,345.40x = 1,720,830.30 × 673,297.30
  4. Step 4: Simplify right side
    1,146,345.40x = 1,158,630,394,748.19
  5. Step 5: Solve for x
    x = 1,158,630,394,748.19/1,146,345.40
  6. Step 6: Final answer
    x = 1,010,716.66

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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.