Home / 1,199,162.33-1,655,012.81-763,440.50

Finding the Fourth Proportional to 1,199,162.33, 1,655,012.81 and 763,440.50

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Solution

The fourth proportional to 1,199,162.33, 1,655,012.81 and 763,440.50 is: 1,053,655.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,162.33 : 1,655,012.81 = 763,440.50 : x
  2. Step 2: Convert to fraction form
    1,199,162.33/1,655,012.81 = 763,440.50/x
  3. Step 3: Cross multiply
    1,199,162.33x = 1,655,012.81 × 763,440.50
  4. Step 4: Simplify right side
    1,199,162.33x = 1,263,503,807,172.81
  5. Step 5: Solve for x
    x = 1,263,503,807,172.81/1,199,162.33
  6. Step 6: Final answer
    x = 1,053,655.35

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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.