Home / 1,077,988.80-1,616,983.20-516,734.40

Finding the Fourth Proportional to 1,077,988.80, 1,616,983.20 and 516,734.40

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Solution

The fourth proportional to 1,077,988.80, 1,616,983.20 and 516,734.40 is: 775,101.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,988.80 : 1,616,983.20 = 516,734.40 : x
  2. Step 2: Convert to fraction form
    1,077,988.80/1,616,983.20 = 516,734.40/x
  3. Step 3: Cross multiply
    1,077,988.80x = 1,616,983.20 × 516,734.40
  4. Step 4: Simplify right side
    1,077,988.80x = 835,550,843,662.08
  5. Step 5: Solve for x
    x = 835,550,843,662.08/1,077,988.80
  6. Step 6: Final answer
    x = 775,101.60

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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.