Home / 1,715,800.32-2,367,910.80-990,779.04

Finding the Fourth Proportional to 1,715,800.32, 2,367,910.80 and 990,779.04

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Solution

The fourth proportional to 1,715,800.32, 2,367,910.80 and 990,779.04 is: 1,367,336.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,715,800.32 : 2,367,910.80 = 990,779.04 : x
  2. Step 2: Convert to fraction form
    1,715,800.32/2,367,910.80 = 990,779.04/x
  3. Step 3: Cross multiply
    1,715,800.32x = 2,367,910.80 × 990,779.04
  4. Step 4: Simplify right side
    1,715,800.32x = 2,346,076,389,229.63
  5. Step 5: Solve for x
    x = 2,346,076,389,229.63/1,715,800.32
  6. Step 6: Final answer
    x = 1,367,336.49

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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.