Home / 1,145,523.20-1,717,847.40-346,539.20

Finding the Fourth Proportional to 1,145,523.20, 1,717,847.40 and 346,539.20

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Solution

The fourth proportional to 1,145,523.20, 1,717,847.40 and 346,539.20 is: 519,676.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,523.20 : 1,717,847.40 = 346,539.20 : x
  2. Step 2: Convert to fraction form
    1,145,523.20/1,717,847.40 = 346,539.20/x
  3. Step 3: Cross multiply
    1,145,523.20x = 1,717,847.40 × 346,539.20
  4. Step 4: Simplify right side
    1,145,523.20x = 595,301,463,718.08
  5. Step 5: Solve for x
    x = 595,301,463,718.08/1,145,523.20
  6. Step 6: Final answer
    x = 519,676.48

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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.