Home / 1,131,964.61-1,562,332.86-648,853.20

Finding the Fourth Proportional to 1,131,964.61, 1,562,332.86 and 648,853.20

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Solution

The fourth proportional to 1,131,964.61, 1,562,332.86 and 648,853.20 is: 895,544.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,964.61 : 1,562,332.86 = 648,853.20 : x
  2. Step 2: Convert to fraction form
    1,131,964.61/1,562,332.86 = 648,853.20/x
  3. Step 3: Cross multiply
    1,131,964.61x = 1,562,332.86 × 648,853.20
  4. Step 4: Simplify right side
    1,131,964.61x = 1,013,724,675,676.15
  5. Step 5: Solve for x
    x = 1,013,724,675,676.15/1,131,964.61
  6. Step 6: Final answer
    x = 895,544.50

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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.