Home / 1,143,510.47-1,577,779.82-684,450.63

Finding the Fourth Proportional to 1,143,510.47, 1,577,779.82 and 684,450.63

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Solution

The fourth proportional to 1,143,510.47, 1,577,779.82 and 684,450.63 is: 944,383.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,510.47 : 1,577,779.82 = 684,450.63 : x
  2. Step 2: Convert to fraction form
    1,143,510.47/1,577,779.82 = 684,450.63/x
  3. Step 3: Cross multiply
    1,143,510.47x = 1,577,779.82 × 684,450.63
  4. Step 4: Simplify right side
    1,143,510.47x = 1,079,912,388,378.03
  5. Step 5: Solve for x
    x = 1,079,912,388,378.03/1,143,510.47
  6. Step 6: Final answer
    x = 944,383.48

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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.