Home / 1,340,323.80-2,010,485.70-343,051.80

Finding the Fourth Proportional to 1,340,323.80, 2,010,485.70 and 343,051.80

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Solution

The fourth proportional to 1,340,323.80, 2,010,485.70 and 343,051.80 is: 514,577.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,323.80 : 2,010,485.70 = 343,051.80 : x
  2. Step 2: Convert to fraction form
    1,340,323.80/2,010,485.70 = 343,051.80/x
  3. Step 3: Cross multiply
    1,340,323.80x = 2,010,485.70 × 343,051.80
  4. Step 4: Simplify right side
    1,340,323.80x = 689,700,738,259.26
  5. Step 5: Solve for x
    x = 689,700,738,259.26/1,340,323.80
  6. Step 6: Final answer
    x = 514,577.70

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1.5x scale

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.