Home / 1,330,705.61-1,836,371.95-757,745.81

Finding the Fourth Proportional to 1,330,705.61, 1,836,371.95 and 757,745.81

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Solution

The fourth proportional to 1,330,705.61, 1,836,371.95 and 757,745.81 is: 1,045,688.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,705.61 : 1,836,371.95 = 757,745.81 : x
  2. Step 2: Convert to fraction form
    1,330,705.61/1,836,371.95 = 757,745.81/x
  3. Step 3: Cross multiply
    1,330,705.61x = 1,836,371.95 × 757,745.81
  4. Step 4: Simplify right side
    1,330,705.61x = 1,391,503,139,637.81
  5. Step 5: Solve for x
    x = 1,391,503,139,637.81/1,330,705.61
  6. Step 6: Final answer
    x = 1,045,688.19

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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.