Home / 1,780,262.15-2,670,393.25-432,415.67

Finding the Fourth Proportional to 1,780,262.15, 2,670,393.25 and 432,415.67

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Solution

The fourth proportional to 1,780,262.15, 2,670,393.25 and 432,415.67 is: 648,623.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,262.15 : 2,670,393.25 = 432,415.67 : x
  2. Step 2: Convert to fraction form
    1,780,262.15/2,670,393.25 = 432,415.67/x
  3. Step 3: Cross multiply
    1,780,262.15x = 2,670,393.25 × 432,415.67
  4. Step 4: Simplify right side
    1,780,262.15x = 1,154,719,873,550.78
  5. Step 5: Solve for x
    x = 1,154,719,873,550.78/1,780,262.15
  6. Step 6: Final answer
    x = 648,623.51

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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.