Home / 1,870,722.32-2,805,390.60-672,321.68

Finding the Fourth Proportional to 1,870,722.32, 2,805,390.60 and 672,321.68

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Solution

The fourth proportional to 1,870,722.32, 2,805,390.60 and 672,321.68 is: 1,008,233.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,870,722.32 : 2,805,390.60 = 672,321.68 : x
  2. Step 2: Convert to fraction form
    1,870,722.32/2,805,390.60 = 672,321.68/x
  3. Step 3: Cross multiply
    1,870,722.32x = 2,805,390.60 × 672,321.68
  4. Step 4: Simplify right side
    1,870,722.32x = 1,886,124,921,248.21
  5. Step 5: Solve for x
    x = 1,886,124,921,248.21/1,870,722.32
  6. Step 6: Final answer
    x = 1,008,233.50

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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.