Home / 1,485,055.87-2,050,302.69-1,020,709.30

Finding the Fourth Proportional to 1,485,055.87, 2,050,302.69 and 1,020,709.30

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Solution

The fourth proportional to 1,485,055.87, 2,050,302.69 and 1,020,709.30 is: 1,409,215.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,055.87 : 2,050,302.69 = 1,020,709.30 : x
  2. Step 2: Convert to fraction form
    1,485,055.87/2,050,302.69 = 1,020,709.30/x
  3. Step 3: Cross multiply
    1,485,055.87x = 2,050,302.69 × 1,020,709.30
  4. Step 4: Simplify right side
    1,485,055.87x = 2,092,763,022,199.92
  5. Step 5: Solve for x
    x = 2,092,763,022,199.92/1,485,055.87
  6. Step 6: Final answer
    x = 1,409,215.01

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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.