Home / 1,079,429.63-1,489,744.10-626,720.63

Finding the Fourth Proportional to 1,079,429.63, 1,489,744.10 and 626,720.63

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Solution

The fourth proportional to 1,079,429.63, 1,489,744.10 and 626,720.63 is: 864,950.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,429.63 : 1,489,744.10 = 626,720.63 : x
  2. Step 2: Convert to fraction form
    1,079,429.63/1,489,744.10 = 626,720.63/x
  3. Step 3: Cross multiply
    1,079,429.63x = 1,489,744.10 × 626,720.63
  4. Step 4: Simplify right side
    1,079,429.63x = 933,653,355,008.86
  5. Step 5: Solve for x
    x = 933,653,355,008.86/1,079,429.63
  6. Step 6: Final answer
    x = 864,950.65

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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.