Home / 1,779,288-2,662,235.52-1,247,846.40

Finding the Fourth Proportional to 1,779,288, 2,662,235.52 and 1,247,846.40

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Solution

The fourth proportional to 1,779,288, 2,662,235.52 and 1,247,846.40 is: 1,867,073.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779,288 : 2,662,235.52 = 1,247,846.40 : x
  2. Step 2: Convert to fraction form
    1,779,288/2,662,235.52 = 1,247,846.40/x
  3. Step 3: Cross multiply
    1,779,288x = 2,662,235.52 × 1,247,846.40
  4. Step 4: Simplify right side
    1,779,288x = 3,322,061,009,584.13
  5. Step 5: Solve for x
    x = 3,322,061,009,584.13/1,779,288
  6. Step 6: Final answer
    x = 1,867,073.24

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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.