Home / 1,040,900.25-1,557,032.40-977,127.33

Finding the Fourth Proportional to 1,040,900.25, 1,557,032.40 and 977,127.33

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Solution

The fourth proportional to 1,040,900.25, 1,557,032.40 and 977,127.33 is: 1,461,637.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,900.25 : 1,557,032.40 = 977,127.33 : x
  2. Step 2: Convert to fraction form
    1,040,900.25/1,557,032.40 = 977,127.33/x
  3. Step 3: Cross multiply
    1,040,900.25x = 1,557,032.40 × 977,127.33
  4. Step 4: Simplify right side
    1,040,900.25x = 1,521,418,917,574.36
  5. Step 5: Solve for x
    x = 1,521,418,917,574.36/1,040,900.25
  6. Step 6: Final answer
    x = 1,461,637.57

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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.