Home / 1,643,745.57-2,266,900.12-1,031,955.34

Finding the Fourth Proportional to 1,643,745.57, 2,266,900.12 and 1,031,955.34

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Solution

The fourth proportional to 1,643,745.57, 2,266,900.12 and 1,031,955.34 is: 1,423,176.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,745.57 : 2,266,900.12 = 1,031,955.34 : x
  2. Step 2: Convert to fraction form
    1,643,745.57/2,266,900.12 = 1,031,955.34/x
  3. Step 3: Cross multiply
    1,643,745.57x = 2,266,900.12 × 1,031,955.34
  4. Step 4: Simplify right side
    1,643,745.57x = 2,339,339,672,746.14
  5. Step 5: Solve for x
    x = 2,339,339,672,746.14/1,643,745.57
  6. Step 6: Final answer
    x = 1,423,176.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.