Home / 1,676,828.49-2,314,325.09-988,459.30

Finding the Fourth Proportional to 1,676,828.49, 2,314,325.09 and 988,459.30

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Solution

The fourth proportional to 1,676,828.49, 2,314,325.09 and 988,459.30 is: 1,364,251.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676,828.49 : 2,314,325.09 = 988,459.30 : x
  2. Step 2: Convert to fraction form
    1,676,828.49/2,314,325.09 = 988,459.30/x
  3. Step 3: Cross multiply
    1,676,828.49x = 2,314,325.09 × 988,459.30
  4. Step 4: Simplify right side
    1,676,828.49x = 2,287,616,161,017.75
  5. Step 5: Solve for x
    x = 2,287,616,161,017.75/1,676,828.49
  6. Step 6: Final answer
    x = 1,364,251.73

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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.