Home / 1,315,569.25-1,815,485.70-711,957.25

Finding the Fourth Proportional to 1,315,569.25, 1,815,485.70 and 711,957.25

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Solution

The fourth proportional to 1,315,569.25, 1,815,485.70 and 711,957.25 is: 982,501.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,569.25 : 1,815,485.70 = 711,957.25 : x
  2. Step 2: Convert to fraction form
    1,315,569.25/1,815,485.70 = 711,957.25/x
  3. Step 3: Cross multiply
    1,315,569.25x = 1,815,485.70 × 711,957.25
  4. Step 4: Simplify right side
    1,315,569.25x = 1,292,548,206,386.33
  5. Step 5: Solve for x
    x = 1,292,548,206,386.33/1,315,569.25
  6. Step 6: Final answer
    x = 982,501.08

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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.