Home / 1,139,707.78-1,708,051.59-606,079.78

Finding the Fourth Proportional to 1,139,707.78, 1,708,051.59 and 606,079.78

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Solution

The fourth proportional to 1,139,707.78, 1,708,051.59 and 606,079.78 is: 908,316.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,707.78 : 1,708,051.59 = 606,079.78 : x
  2. Step 2: Convert to fraction form
    1,139,707.78/1,708,051.59 = 606,079.78/x
  3. Step 3: Cross multiply
    1,139,707.78x = 1,708,051.59 × 606,079.78
  4. Step 4: Simplify right side
    1,139,707.78x = 1,035,215,531,895.85
  5. Step 5: Solve for x
    x = 1,035,215,531,895.85/1,139,707.78
  6. Step 6: Final answer
    x = 908,316.63

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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.