Home / 1,296,322.52-1,941,879.42-645,937.07

Finding the Fourth Proportional to 1,296,322.52, 1,941,879.42 and 645,937.07

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Solution

The fourth proportional to 1,296,322.52, 1,941,879.42 and 645,937.07 is: 967,607.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,322.52 : 1,941,879.42 = 645,937.07 : x
  2. Step 2: Convert to fraction form
    1,296,322.52/1,941,879.42 = 645,937.07/x
  3. Step 3: Cross multiply
    1,296,322.52x = 1,941,879.42 × 645,937.07
  4. Step 4: Simplify right side
    1,296,322.52x = 1,254,331,893,138.70
  5. Step 5: Solve for x
    x = 1,254,331,893,138.70/1,296,322.52
  6. Step 6: Final answer
    x = 967,607.89

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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.