Home / 1,556,591.80-2,334,887.70-1,290,871.30

Finding the Fourth Proportional to 1,556,591.80, 2,334,887.70 and 1,290,871.30

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Solution

The fourth proportional to 1,556,591.80, 2,334,887.70 and 1,290,871.30 is: 1,936,306.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,591.80 : 2,334,887.70 = 1,290,871.30 : x
  2. Step 2: Convert to fraction form
    1,556,591.80/2,334,887.70 = 1,290,871.30/x
  3. Step 3: Cross multiply
    1,556,591.80x = 2,334,887.70 × 1,290,871.30
  4. Step 4: Simplify right side
    1,556,591.80x = 3,014,039,520,653.01
  5. Step 5: Solve for x
    x = 3,014,039,520,653.01/1,556,591.80
  6. Step 6: Final answer
    x = 1,936,306.95

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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.