Home / 827,661.40-1,241,492.10-738,431.80

Finding the Fourth Proportional to 827,661.40, 1,241,492.10 and 738,431.80

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Solution

The fourth proportional to 827,661.40, 1,241,492.10 and 738,431.80 is: 1,107,647.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,661.40 : 1,241,492.10 = 738,431.80 : x
  2. Step 2: Convert to fraction form
    827,661.40/1,241,492.10 = 738,431.80/x
  3. Step 3: Cross multiply
    827,661.40x = 1,241,492.10 × 738,431.80
  4. Step 4: Simplify right side
    827,661.40x = 916,757,246,088.78
  5. Step 5: Solve for x
    x = 916,757,246,088.78/827,661.40
  6. Step 6: Final answer
    x = 1,107,647.70

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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.