Home / 1,199,489.12-1,655,292.56-683,242.80

Finding the Fourth Proportional to 1,199,489.12, 1,655,292.56 and 683,242.80

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Solution

The fourth proportional to 1,199,489.12, 1,655,292.56 and 683,242.80 is: 942,873.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,489.12 : 1,655,292.56 = 683,242.80 : x
  2. Step 2: Convert to fraction form
    1,199,489.12/1,655,292.56 = 683,242.80/x
  3. Step 3: Cross multiply
    1,199,489.12x = 1,655,292.56 × 683,242.80
  4. Step 4: Simplify right side
    1,199,489.12x = 1,130,966,720,097.35
  5. Step 5: Solve for x
    x = 1,130,966,720,097.35/1,199,489.12
  6. Step 6: Final answer
    x = 942,873.68

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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.