Home / 851,271.80-1,276,907.70-714,414.20

Finding the Fourth Proportional to 851,271.80, 1,276,907.70 and 714,414.20

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Solution

The fourth proportional to 851,271.80, 1,276,907.70 and 714,414.20 is: 1,071,621.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,271.80 : 1,276,907.70 = 714,414.20 : x
  2. Step 2: Convert to fraction form
    851,271.80/1,276,907.70 = 714,414.20/x
  3. Step 3: Cross multiply
    851,271.80x = 1,276,907.70 × 714,414.20
  4. Step 4: Simplify right side
    851,271.80x = 912,240,992,969.34
  5. Step 5: Solve for x
    x = 912,240,992,969.34/851,271.80
  6. Step 6: Final answer
    x = 1,071,621.30

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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.