Home / 1,560,030-2,340,045-378,078

Finding the Fourth Proportional to 1,560,030, 2,340,045 and 378,078

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Solution

The fourth proportional to 1,560,030, 2,340,045 and 378,078 is: 567,117

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560,030 : 2,340,045 = 378,078 : x
  2. Step 2: Convert to fraction form
    1,560,030/2,340,045 = 378,078/x
  3. Step 3: Cross multiply
    1,560,030x = 2,340,045 × 378,078
  4. Step 4: Simplify right side
    1,560,030x = 884,719,533,510
  5. Step 5: Solve for x
    x = 884,719,533,510/1,560,030
  6. Step 6: Final answer
    x = 567,117

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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.