Home / 1,346,782.30-2,017,568.30-1,128,043.96

Finding the Fourth Proportional to 1,346,782.30, 2,017,568.30 and 1,128,043.96

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Solution

The fourth proportional to 1,346,782.30, 2,017,568.30 and 1,128,043.96 is: 1,689,883.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,782.30 : 2,017,568.30 = 1,128,043.96 : x
  2. Step 2: Convert to fraction form
    1,346,782.30/2,017,568.30 = 1,128,043.96/x
  3. Step 3: Cross multiply
    1,346,782.30x = 2,017,568.30 × 1,128,043.96
  4. Step 4: Simplify right side
    1,346,782.30x = 2,275,905,734,702.47
  5. Step 5: Solve for x
    x = 2,275,905,734,702.47/1,346,782.30
  6. Step 6: Final answer
    x = 1,689,883.91

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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.