Home / 1,079,051.20-1,616,632.80-516,846.40

Finding the Fourth Proportional to 1,079,051.20, 1,616,632.80 and 516,846.40

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Solution

The fourth proportional to 1,079,051.20, 1,616,632.80 and 516,846.40 is: 774,338.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,051.20 : 1,616,632.80 = 516,846.40 : x
  2. Step 2: Convert to fraction form
    1,079,051.20/1,616,632.80 = 516,846.40/x
  3. Step 3: Cross multiply
    1,079,051.20x = 1,616,632.80 × 516,846.40
  4. Step 4: Simplify right side
    1,079,051.20x = 835,550,842,801.92
  5. Step 5: Solve for x
    x = 835,550,842,801.92/1,079,051.20
  6. Step 6: Final answer
    x = 774,338.46

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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.