Home / 1,490,015.80-2,235,023.70-492,743.80

Finding the Fourth Proportional to 1,490,015.80, 2,235,023.70 and 492,743.80

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Solution

The fourth proportional to 1,490,015.80, 2,235,023.70 and 492,743.80 is: 739,115.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,015.80 : 2,235,023.70 = 492,743.80 : x
  2. Step 2: Convert to fraction form
    1,490,015.80/2,235,023.70 = 492,743.80/x
  3. Step 3: Cross multiply
    1,490,015.80x = 2,235,023.70 × 492,743.80
  4. Step 4: Simplify right side
    1,490,015.80x = 1,101,294,071,028.06
  5. Step 5: Solve for x
    x = 1,101,294,071,028.06/1,490,015.80
  6. Step 6: Final answer
    x = 739,115.70

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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.