Home / 1,315,460-1,815,336.42-711,848

Finding the Fourth Proportional to 1,315,460, 1,815,336.42 and 711,848

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Solution

The fourth proportional to 1,315,460, 1,815,336.42 and 711,848 is: 982,351.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,460 : 1,815,336.42 = 711,848 : x
  2. Step 2: Convert to fraction form
    1,315,460/1,815,336.42 = 711,848/x
  3. Step 3: Cross multiply
    1,315,460x = 1,815,336.42 × 711,848
  4. Step 4: Simplify right side
    1,315,460x = 1,292,243,599,904.16
  5. Step 5: Solve for x
    x = 1,292,243,599,904.16/1,315,460
  6. Step 6: Final answer
    x = 982,351.12

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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.