Home / 1,105,423.58-1,658,040.10-673,028.98

Finding the Fourth Proportional to 1,105,423.58, 1,658,040.10 and 673,028.98

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Solution

The fourth proportional to 1,105,423.58, 1,658,040.10 and 673,028.98 is: 1,009,485.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,423.58 : 1,658,040.10 = 673,028.98 : x
  2. Step 2: Convert to fraction form
    1,105,423.58/1,658,040.10 = 673,028.98/x
  3. Step 3: Cross multiply
    1,105,423.58x = 1,658,040.10 × 673,028.98
  4. Step 4: Simplify right side
    1,105,423.58x = 1,115,909,037,302.10
  5. Step 5: Solve for x
    x = 1,115,909,037,302.10/1,105,423.58
  6. Step 6: Final answer
    x = 1,009,485.47

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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.