Home / 1,145,477.20-1,717,778.40-346,493.20

Finding the Fourth Proportional to 1,145,477.20, 1,717,778.40 and 346,493.20

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Solution

The fourth proportional to 1,145,477.20, 1,717,778.40 and 346,493.20 is: 519,607.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,477.20 : 1,717,778.40 = 346,493.20 : x
  2. Step 2: Convert to fraction form
    1,145,477.20/1,717,778.40 = 346,493.20/x
  3. Step 3: Cross multiply
    1,145,477.20x = 1,717,778.40 × 346,493.20
  4. Step 4: Simplify right side
    1,145,477.20x = 595,198,534,706.88
  5. Step 5: Solve for x
    x = 595,198,534,706.88/1,145,477.20
  6. Step 6: Final answer
    x = 519,607.49

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1.5x scale

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.