Home / 1,087,940.70-1,500,732.69-679,333.14

Finding the Fourth Proportional to 1,087,940.70, 1,500,732.69 and 679,333.14

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Solution

The fourth proportional to 1,087,940.70, 1,500,732.69 and 679,333.14 is: 937,089.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,940.70 : 1,500,732.69 = 679,333.14 : x
  2. Step 2: Convert to fraction form
    1,087,940.70/1,500,732.69 = 679,333.14/x
  3. Step 3: Cross multiply
    1,087,940.70x = 1,500,732.69 × 679,333.14
  4. Step 4: Simplify right side
    1,087,940.70x = 1,019,497,450,598.35
  5. Step 5: Solve for x
    x = 1,019,497,450,598.35/1,087,940.70
  6. Step 6: Final answer
    x = 937,089.17

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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.