Home / 1,343,403.57-2,015,416.65-383,871.67

Finding the Fourth Proportional to 1,343,403.57, 2,015,416.65 and 383,871.67

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Solution

The fourth proportional to 1,343,403.57, 2,015,416.65 and 383,871.67 is: 575,896.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,403.57 : 2,015,416.65 = 383,871.67 : x
  2. Step 2: Convert to fraction form
    1,343,403.57/2,015,416.65 = 383,871.67/x
  3. Step 3: Cross multiply
    1,343,403.57x = 2,015,416.65 × 383,871.67
  4. Step 4: Simplify right side
    1,343,403.57x = 773,661,351,582.28
  5. Step 5: Solve for x
    x = 773,661,351,582.28/1,343,403.57
  6. Step 6: Final answer
    x = 575,896.46

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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.