Home / 1,465,805.40-2,198,708.10-1,111,511.40

Finding the Fourth Proportional to 1,465,805.40, 2,198,708.10 and 1,111,511.40

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Solution

The fourth proportional to 1,465,805.40, 2,198,708.10 and 1,111,511.40 is: 1,667,267.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465,805.40 : 2,198,708.10 = 1,111,511.40 : x
  2. Step 2: Convert to fraction form
    1,465,805.40/2,198,708.10 = 1,111,511.40/x
  3. Step 3: Cross multiply
    1,465,805.40x = 2,198,708.10 × 1,111,511.40
  4. Step 4: Simplify right side
    1,465,805.40x = 2,443,889,118,422.34
  5. Step 5: Solve for x
    x = 2,443,889,118,422.34/1,465,805.40
  6. Step 6: Final answer
    x = 1,667,267.10

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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.