Home / 1,787,811.40-2,681,846.70-1,076,307.40

Finding the Fourth Proportional to 1,787,811.40, 2,681,846.70 and 1,076,307.40

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Solution

The fourth proportional to 1,787,811.40, 2,681,846.70 and 1,076,307.40 is: 1,614,539.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,811.40 : 2,681,846.70 = 1,076,307.40 : x
  2. Step 2: Convert to fraction form
    1,787,811.40/2,681,846.70 = 1,076,307.40/x
  3. Step 3: Cross multiply
    1,787,811.40x = 2,681,846.70 × 1,076,307.40
  4. Step 4: Simplify right side
    1,787,811.40x = 2,886,491,448,875.58
  5. Step 5: Solve for x
    x = 2,886,491,448,875.58/1,787,811.40
  6. Step 6: Final answer
    x = 1,614,539.12

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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.