Home / 798,412.40-1,197,618.60-738,051.20

Finding the Fourth Proportional to 798,412.40, 1,197,618.60 and 738,051.20

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Solution

The fourth proportional to 798,412.40, 1,197,618.60 and 738,051.20 is: 1,107,076.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,412.40 : 1,197,618.60 = 738,051.20 : x
  2. Step 2: Convert to fraction form
    798,412.40/1,197,618.60 = 738,051.20/x
  3. Step 3: Cross multiply
    798,412.40x = 1,197,618.60 × 738,051.20
  4. Step 4: Simplify right side
    798,412.40x = 883,903,844,872.32
  5. Step 5: Solve for x
    x = 883,903,844,872.32/798,412.40
  6. Step 6: Final answer
    x = 1,107,076.80

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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.