Home / 1,139,708.78-1,708,053.09-606,080.78

Finding the Fourth Proportional to 1,139,708.78, 1,708,053.09 and 606,080.78

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Solution

The fourth proportional to 1,139,708.78, 1,708,053.09 and 606,080.78 is: 908,318.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,708.78 : 1,708,053.09 = 606,080.78 : x
  2. Step 2: Convert to fraction form
    1,139,708.78/1,708,053.09 = 606,080.78/x
  3. Step 3: Cross multiply
    1,139,708.78x = 1,708,053.09 × 606,080.78
  4. Step 4: Simplify right side
    1,139,708.78x = 1,035,218,149,068.61
  5. Step 5: Solve for x
    x = 1,035,218,149,068.61/1,139,708.78
  6. Step 6: Final answer
    x = 908,318.13

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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.