Home / 918,348.87-1,267,665.27-689,567.07

Finding the Fourth Proportional to 918,348.87, 1,267,665.27 and 689,567.07

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Solution

The fourth proportional to 918,348.87, 1,267,665.27 and 689,567.07 is: 951,860.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,348.87 : 1,267,665.27 = 689,567.07 : x
  2. Step 2: Convert to fraction form
    918,348.87/1,267,665.27 = 689,567.07/x
  3. Step 3: Cross multiply
    918,348.87x = 1,267,665.27 × 689,567.07
  4. Step 4: Simplify right side
    918,348.87x = 874,140,225,974.66
  5. Step 5: Solve for x
    x = 874,140,225,974.66/918,348.87
  6. Step 6: Final answer
    x = 951,860.73

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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.