Home / 1,245,094.90-1,867,387.20-346,310.80

Finding the Fourth Proportional to 1,245,094.90, 1,867,387.20 and 346,310.80

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Solution

The fourth proportional to 1,245,094.90, 1,867,387.20 and 346,310.80 is: 519,395.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,094.90 : 1,867,387.20 = 346,310.80 : x
  2. Step 2: Convert to fraction form
    1,245,094.90/1,867,387.20 = 346,310.80/x
  3. Step 3: Cross multiply
    1,245,094.90x = 1,867,387.20 × 346,310.80
  4. Step 4: Simplify right side
    1,245,094.90x = 646,696,355,141.76
  5. Step 5: Solve for x
    x = 646,696,355,141.76/1,245,094.90
  6. Step 6: Final answer
    x = 519,395.23

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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.