Home / 1,815,700.35-2,505,666.92-999,901.97

Finding the Fourth Proportional to 1,815,700.35, 2,505,666.92 and 999,901.97

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Solution

The fourth proportional to 1,815,700.35, 2,505,666.92 and 999,901.97 is: 1,379,864.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,700.35 : 2,505,666.92 = 999,901.97 : x
  2. Step 2: Convert to fraction form
    1,815,700.35/2,505,666.92 = 999,901.97/x
  3. Step 3: Cross multiply
    1,815,700.35x = 2,505,666.92 × 999,901.97
  4. Step 4: Simplify right side
    1,815,700.35x = 2,505,421,271,943.99
  5. Step 5: Solve for x
    x = 2,505,421,271,943.99/1,815,700.35
  6. Step 6: Final answer
    x = 1,379,864.95

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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.