Home / 1,295,620.88-1,943,784.38-397,042.72

Finding the Fourth Proportional to 1,295,620.88, 1,943,784.38 and 397,042.72

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Solution

The fourth proportional to 1,295,620.88, 1,943,784.38 and 397,042.72 is: 595,672.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,620.88 : 1,943,784.38 = 397,042.72 : x
  2. Step 2: Convert to fraction form
    1,295,620.88/1,943,784.38 = 397,042.72/x
  3. Step 3: Cross multiply
    1,295,620.88x = 1,943,784.38 × 397,042.72
  4. Step 4: Simplify right side
    1,295,620.88x = 771,765,437,328.71
  5. Step 5: Solve for x
    x = 771,765,437,328.71/1,295,620.88
  6. Step 6: Final answer
    x = 595,672.28

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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.