Home / 1,521,631.09-2,099,914.23-842,567.59

Finding the Fourth Proportional to 1,521,631.09, 2,099,914.23 and 842,567.59

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Solution

The fourth proportional to 1,521,631.09, 2,099,914.23 and 842,567.59 is: 1,162,778.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,631.09 : 2,099,914.23 = 842,567.59 : x
  2. Step 2: Convert to fraction form
    1,521,631.09/2,099,914.23 = 842,567.59/x
  3. Step 3: Cross multiply
    1,521,631.09x = 2,099,914.23 × 842,567.59
  4. Step 4: Simplify right side
    1,521,631.09x = 1,769,319,671,977.81
  5. Step 5: Solve for x
    x = 1,769,319,671,977.81/1,521,631.09
  6. Step 6: Final answer
    x = 1,162,778.34

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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.