Home / 1,040,946.45-1,557,100.27-977,173.53

Finding the Fourth Proportional to 1,040,946.45, 1,557,100.27 and 977,173.53

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Solution

The fourth proportional to 1,040,946.45, 1,557,100.27 and 977,173.53 is: 1,461,705.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,946.45 : 1,557,100.27 = 977,173.53 : x
  2. Step 2: Convert to fraction form
    1,040,946.45/1,557,100.27 = 977,173.53/x
  3. Step 3: Cross multiply
    1,040,946.45x = 1,557,100.27 × 977,173.53
  4. Step 4: Simplify right side
    1,040,946.45x = 1,521,557,167,399.85
  5. Step 5: Solve for x
    x = 1,521,557,167,399.85/1,040,946.45
  6. Step 6: Final answer
    x = 1,461,705.52

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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.