Home / 1,604,689.80-2,214,489.42-879,521.64

Finding the Fourth Proportional to 1,604,689.80, 2,214,489.42 and 879,521.64

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Solution

The fourth proportional to 1,604,689.80, 2,214,489.42 and 879,521.64 is: 1,213,749.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,604,689.80 : 2,214,489.42 = 879,521.64 : x
  2. Step 2: Convert to fraction form
    1,604,689.80/2,214,489.42 = 879,521.64/x
  3. Step 3: Cross multiply
    1,604,689.80x = 2,214,489.42 × 879,521.64
  4. Step 4: Simplify right side
    1,604,689.80x = 1,947,691,366,441.05
  5. Step 5: Solve for x
    x = 1,947,691,366,441.05/1,604,689.80
  6. Step 6: Final answer
    x = 1,213,749.45

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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.