Home / 1,319,021-1,820,249.10-746,048.84

Finding the Fourth Proportional to 1,319,021, 1,820,249.10 and 746,048.84

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Solution

The fourth proportional to 1,319,021, 1,820,249.10 and 746,048.84 is: 1,029,547.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,021 : 1,820,249.10 = 746,048.84 : x
  2. Step 2: Convert to fraction form
    1,319,021/1,820,249.10 = 746,048.84/x
  3. Step 3: Cross multiply
    1,319,021x = 1,820,249.10 × 746,048.84
  4. Step 4: Simplify right side
    1,319,021x = 1,357,994,729,566.04
  5. Step 5: Solve for x
    x = 1,357,994,729,566.04/1,319,021
  6. Step 6: Final answer
    x = 1,029,547.47

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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.