Home / 1,199,674.47-1,655,550.89-655,812.69

Finding the Fourth Proportional to 1,199,674.47, 1,655,550.89 and 655,812.69

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Solution

The fourth proportional to 1,199,674.47, 1,655,550.89 and 655,812.69 is: 905,021.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,674.47 : 1,655,550.89 = 655,812.69 : x
  2. Step 2: Convert to fraction form
    1,199,674.47/1,655,550.89 = 655,812.69/x
  3. Step 3: Cross multiply
    1,199,674.47x = 1,655,550.89 × 655,812.69
  4. Step 4: Simplify right side
    1,199,674.47x = 1,085,731,282,602.79
  5. Step 5: Solve for x
    x = 1,085,731,282,602.79/1,199,674.47
  6. Step 6: Final answer
    x = 905,021.58

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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.