Home / 1,560,042-2,340,063-378,090

Finding the Fourth Proportional to 1,560,042, 2,340,063 and 378,090

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Solution

The fourth proportional to 1,560,042, 2,340,063 and 378,090 is: 567,135

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560,042 : 2,340,063 = 378,090 : x
  2. Step 2: Convert to fraction form
    1,560,042/2,340,063 = 378,090/x
  3. Step 3: Cross multiply
    1,560,042x = 2,340,063 × 378,090
  4. Step 4: Simplify right side
    1,560,042x = 884,754,419,670
  5. Step 5: Solve for x
    x = 884,754,419,670/1,560,042
  6. Step 6: Final answer
    x = 567,135

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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.