Home / 1,097,885.70-1,646,828.55-779,021.10

Finding the Fourth Proportional to 1,097,885.70, 1,646,828.55 and 779,021.10

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Solution

The fourth proportional to 1,097,885.70, 1,646,828.55 and 779,021.10 is: 1,168,531.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,885.70 : 1,646,828.55 = 779,021.10 : x
  2. Step 2: Convert to fraction form
    1,097,885.70/1,646,828.55 = 779,021.10/x
  3. Step 3: Cross multiply
    1,097,885.70x = 1,646,828.55 × 779,021.10
  4. Step 4: Simplify right side
    1,097,885.70x = 1,282,914,188,532.41
  5. Step 5: Solve for x
    x = 1,282,914,188,532.41/1,097,885.70
  6. Step 6: Final answer
    x = 1,168,531.65

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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.