Home / 1,335,862.32-1,999,063.41-830,661.22

Finding the Fourth Proportional to 1,335,862.32, 1,999,063.41 and 830,661.22

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Solution

The fourth proportional to 1,335,862.32, 1,999,063.41 and 830,661.22 is: 1,243,050.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,862.32 : 1,999,063.41 = 830,661.22 : x
  2. Step 2: Convert to fraction form
    1,335,862.32/1,999,063.41 = 830,661.22/x
  3. Step 3: Cross multiply
    1,335,862.32x = 1,999,063.41 × 830,661.22
  4. Step 4: Simplify right side
    1,335,862.32x = 1,660,544,446,854.65
  5. Step 5: Solve for x
    x = 1,660,544,446,854.65/1,335,862.32
  6. Step 6: Final answer
    x = 1,243,050.59

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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.