Home / 1,315,433.16-1,815,303.23-711,821.16

Finding the Fourth Proportional to 1,315,433.16, 1,815,303.23 and 711,821.16

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Solution

The fourth proportional to 1,315,433.16, 1,815,303.23 and 711,821.16 is: 982,316.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,433.16 : 1,815,303.23 = 711,821.16 : x
  2. Step 2: Convert to fraction form
    1,315,433.16/1,815,303.23 = 711,821.16/x
  3. Step 3: Cross multiply
    1,315,433.16x = 1,815,303.23 × 711,821.16
  4. Step 4: Simplify right side
    1,315,433.16x = 1,292,171,247,371.24
  5. Step 5: Solve for x
    x = 1,292,171,247,371.24/1,315,433.16
  6. Step 6: Final answer
    x = 982,316.16

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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.