Home / 1,920,332.43-2,880,927.63-722,265.12

Finding the Fourth Proportional to 1,920,332.43, 2,880,927.63 and 722,265.12

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Solution

The fourth proportional to 1,920,332.43, 2,880,927.63 and 722,265.12 is: 1,083,559.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,920,332.43 : 2,880,927.63 = 722,265.12 : x
  2. Step 2: Convert to fraction form
    1,920,332.43/2,880,927.63 = 722,265.12/x
  3. Step 3: Cross multiply
    1,920,332.43x = 2,880,927.63 × 722,265.12
  4. Step 4: Simplify right side
    1,920,332.43x = 2,080,793,540,393.27
  5. Step 5: Solve for x
    x = 2,080,793,540,393.27/1,920,332.43
  6. Step 6: Final answer
    x = 1,083,559.03

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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.