Home / 1,500,539.86-2,070,942.14-855,812.26

Finding the Fourth Proportional to 1,500,539.86, 2,070,942.14 and 855,812.26

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Solution

The fourth proportional to 1,500,539.86, 2,070,942.14 and 855,812.26 is: 1,181,133.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,539.86 : 2,070,942.14 = 855,812.26 : x
  2. Step 2: Convert to fraction form
    1,500,539.86/2,070,942.14 = 855,812.26/x
  3. Step 3: Cross multiply
    1,500,539.86x = 2,070,942.14 × 855,812.26
  4. Step 4: Simplify right side
    1,500,539.86x = 1,772,337,673,162.64
  5. Step 5: Solve for x
    x = 1,772,337,673,162.64/1,500,539.86
  6. Step 6: Final answer
    x = 1,181,133.35

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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.