Home / 1,340,047.80-2,010,055.50-393,384.60

Finding the Fourth Proportional to 1,340,047.80, 2,010,055.50 and 393,384.60

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Solution

The fourth proportional to 1,340,047.80, 2,010,055.50 and 393,384.60 is: 590,072.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,047.80 : 2,010,055.50 = 393,384.60 : x
  2. Step 2: Convert to fraction form
    1,340,047.80/2,010,055.50 = 393,384.60/x
  3. Step 3: Cross multiply
    1,340,047.80x = 2,010,055.50 × 393,384.60
  4. Step 4: Simplify right side
    1,340,047.80x = 790,724,878,845.30
  5. Step 5: Solve for x
    x = 790,724,878,845.30/1,340,047.80
  6. Step 6: Final answer
    x = 590,072.14

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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.