Home / 1,120,509.40-1,682,513.70-648,117.40

Finding the Fourth Proportional to 1,120,509.40, 1,682,513.70 and 648,117.40

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Solution

The fourth proportional to 1,120,509.40, 1,682,513.70 and 648,117.40 is: 973,188.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,509.40 : 1,682,513.70 = 648,117.40 : x
  2. Step 2: Convert to fraction form
    1,120,509.40/1,682,513.70 = 648,117.40/x
  3. Step 3: Cross multiply
    1,120,509.40x = 1,682,513.70 × 648,117.40
  4. Step 4: Simplify right side
    1,120,509.40x = 1,090,466,404,708.38
  5. Step 5: Solve for x
    x = 1,090,466,404,708.38/1,120,509.40
  6. Step 6: Final answer
    x = 973,188.09

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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.