Home / 1,076,915.11-1,486,148.70-617,993.14

Finding the Fourth Proportional to 1,076,915.11, 1,486,148.70 and 617,993.14

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Solution

The fourth proportional to 1,076,915.11, 1,486,148.70 and 617,993.14 is: 852,833.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,915.11 : 1,486,148.70 = 617,993.14 : x
  2. Step 2: Convert to fraction form
    1,076,915.11/1,486,148.70 = 617,993.14/x
  3. Step 3: Cross multiply
    1,076,915.11x = 1,486,148.70 × 617,993.14
  4. Step 4: Simplify right side
    1,076,915.11x = 918,429,701,619.92
  5. Step 5: Solve for x
    x = 918,429,701,619.92/1,076,915.11
  6. Step 6: Final answer
    x = 852,833.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.