Home / 1,780,287.66-2,670,430.67-1,182,415.86

Finding the Fourth Proportional to 1,780,287.66, 2,670,430.67 and 1,182,415.86

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Solution

The fourth proportional to 1,780,287.66, 2,670,430.67 and 1,182,415.86 is: 1,773,623.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,287.66 : 2,670,430.67 = 1,182,415.86 : x
  2. Step 2: Convert to fraction form
    1,780,287.66/2,670,430.67 = 1,182,415.86/x
  3. Step 3: Cross multiply
    1,780,287.66x = 2,670,430.67 × 1,182,415.86
  4. Step 4: Simplify right side
    1,780,287.66x = 3,157,559,577,238.43
  5. Step 5: Solve for x
    x = 3,157,559,577,238.43/1,780,287.66
  6. Step 6: Final answer
    x = 1,773,623.25

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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.