Home / 1,586,295.42-2,188,276.74-1,012,732.80

Finding the Fourth Proportional to 1,586,295.42, 2,188,276.74 and 1,012,732.80

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Solution

The fourth proportional to 1,586,295.42, 2,188,276.74 and 1,012,732.80 is: 1,397,053.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586,295.42 : 2,188,276.74 = 1,012,732.80 : x
  2. Step 2: Convert to fraction form
    1,586,295.42/2,188,276.74 = 1,012,732.80/x
  3. Step 3: Cross multiply
    1,586,295.42x = 2,188,276.74 × 1,012,732.80
  4. Step 4: Simplify right side
    1,586,295.42x = 2,216,139,630,075.07
  5. Step 5: Solve for x
    x = 2,216,139,630,075.07/1,586,295.42
  6. Step 6: Final answer
    x = 1,397,053.54

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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.