Home / 1,389,567.72-2,083,976.58-490,891.14

Finding the Fourth Proportional to 1,389,567.72, 2,083,976.58 and 490,891.14

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Solution

The fourth proportional to 1,389,567.72, 2,083,976.58 and 490,891.14 is: 736,204.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,567.72 : 2,083,976.58 = 490,891.14 : x
  2. Step 2: Convert to fraction form
    1,389,567.72/2,083,976.58 = 490,891.14/x
  3. Step 3: Cross multiply
    1,389,567.72x = 2,083,976.58 × 490,891.14
  4. Step 4: Simplify right side
    1,389,567.72x = 1,023,005,639,089.50
  5. Step 5: Solve for x
    x = 1,023,005,639,089.50/1,389,567.72
  6. Step 6: Final answer
    x = 736,204.23

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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.