Home / 1,326,676.13-1,990,035.80-380,043.17

Finding the Fourth Proportional to 1,326,676.13, 1,990,035.80 and 380,043.17

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Solution

The fourth proportional to 1,326,676.13, 1,990,035.80 and 380,043.17 is: 570,070.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,676.13 : 1,990,035.80 = 380,043.17 : x
  2. Step 2: Convert to fraction form
    1,326,676.13/1,990,035.80 = 380,043.17/x
  3. Step 3: Cross multiply
    1,326,676.13x = 1,990,035.80 × 380,043.17
  4. Step 4: Simplify right side
    1,326,676.13x = 756,299,513,845.49
  5. Step 5: Solve for x
    x = 756,299,513,845.49/1,326,676.13
  6. Step 6: Final answer
    x = 570,070.94

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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.