Home / 1,347,670.40-2,021,505.60-717,814.40

Finding the Fourth Proportional to 1,347,670.40, 2,021,505.60 and 717,814.40

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Solution

The fourth proportional to 1,347,670.40, 2,021,505.60 and 717,814.40 is: 1,076,721.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,670.40 : 2,021,505.60 = 717,814.40 : x
  2. Step 2: Convert to fraction form
    1,347,670.40/2,021,505.60 = 717,814.40/x
  3. Step 3: Cross multiply
    1,347,670.40x = 2,021,505.60 × 717,814.40
  4. Step 4: Simplify right side
    1,347,670.40x = 1,451,065,829,360.64
  5. Step 5: Solve for x
    x = 1,451,065,829,360.64/1,347,670.40
  6. Step 6: Final answer
    x = 1,076,721.60

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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.