Home / 1,400,510.72-2,100,028.80-957,405.44

Finding the Fourth Proportional to 1,400,510.72, 2,100,028.80 and 957,405.44

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Solution

The fourth proportional to 1,400,510.72, 2,100,028.80 and 957,405.44 is: 1,435,604.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400,510.72 : 2,100,028.80 = 957,405.44 : x
  2. Step 2: Convert to fraction form
    1,400,510.72/2,100,028.80 = 957,405.44/x
  3. Step 3: Cross multiply
    1,400,510.72x = 2,100,028.80 × 957,405.44
  4. Step 4: Simplify right side
    1,400,510.72x = 2,010,578,997,276.67
  5. Step 5: Solve for x
    x = 2,010,578,997,276.67/1,400,510.72
  6. Step 6: Final answer
    x = 1,435,604.15

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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.