Home / 1,631,271.58-2,443,182.08-778,943.21

Finding the Fourth Proportional to 1,631,271.58, 2,443,182.08 and 778,943.21

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Solution

The fourth proportional to 1,631,271.58, 2,443,182.08 and 778,943.21 is: 1,166,635.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631,271.58 : 2,443,182.08 = 778,943.21 : x
  2. Step 2: Convert to fraction form
    1,631,271.58/2,443,182.08 = 778,943.21/x
  3. Step 3: Cross multiply
    1,631,271.58x = 2,443,182.08 × 778,943.21
  4. Step 4: Simplify right side
    1,631,271.58x = 1,903,100,075,899.05
  5. Step 5: Solve for x
    x = 1,903,100,075,899.05/1,631,271.58
  6. Step 6: Final answer
    x = 1,166,635.96

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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.