Home / 1,139,274.06-1,572,167.12-629,959.02

Finding the Fourth Proportional to 1,139,274.06, 1,572,167.12 and 629,959.02

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Solution

The fourth proportional to 1,139,274.06, 1,572,167.12 and 629,959.02 is: 869,326.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,274.06 : 1,572,167.12 = 629,959.02 : x
  2. Step 2: Convert to fraction form
    1,139,274.06/1,572,167.12 = 629,959.02/x
  3. Step 3: Cross multiply
    1,139,274.06x = 1,572,167.12 × 629,959.02
  4. Step 4: Simplify right side
    1,139,274.06x = 990,400,855,041.63
  5. Step 5: Solve for x
    x = 990,400,855,041.63/1,139,274.06
  6. Step 6: Final answer
    x = 869,326.26

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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.