Home / 1,530,818.58-2,112,450.92-842,555.77

Finding the Fourth Proportional to 1,530,818.58, 2,112,450.92 and 842,555.77

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Solution

The fourth proportional to 1,530,818.58, 2,112,450.92 and 842,555.77 is: 1,162,683.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,530,818.58 : 2,112,450.92 = 842,555.77 : x
  2. Step 2: Convert to fraction form
    1,530,818.58/2,112,450.92 = 842,555.77/x
  3. Step 3: Cross multiply
    1,530,818.58x = 2,112,450.92 × 842,555.77
  4. Step 4: Simplify right side
    1,530,818.58x = 1,779,857,714,666.33
  5. Step 5: Solve for x
    x = 1,779,857,714,666.33/1,530,818.58
  6. Step 6: Final answer
    x = 1,162,683.64

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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.