Home / 1,145,146.60-1,717,914.30-346,421.80

Finding the Fourth Proportional to 1,145,146.60, 1,717,914.30 and 346,421.80

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Solution

The fourth proportional to 1,145,146.60, 1,717,914.30 and 346,421.80 is: 519,691.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,146.60 : 1,717,914.30 = 346,421.80 : x
  2. Step 2: Convert to fraction form
    1,145,146.60/1,717,914.30 = 346,421.80/x
  3. Step 3: Cross multiply
    1,145,146.60x = 1,717,914.30 × 346,421.80
  4. Step 4: Simplify right side
    1,145,146.60x = 595,122,964,051.74
  5. Step 5: Solve for x
    x = 595,122,964,051.74/1,145,146.60
  6. Step 6: Final answer
    x = 519,691.51

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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.