Home / 918,938.88-1,378,226.58-873,368.46

Finding the Fourth Proportional to 918,938.88, 1,378,226.58 and 873,368.46

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Solution

The fourth proportional to 918,938.88, 1,378,226.58 and 873,368.46 is: 1,309,879.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,938.88 : 1,378,226.58 = 873,368.46 : x
  2. Step 2: Convert to fraction form
    918,938.88/1,378,226.58 = 873,368.46/x
  3. Step 3: Cross multiply
    918,938.88x = 1,378,226.58 × 873,368.46
  4. Step 4: Simplify right side
    918,938.88x = 1,203,699,625,705.67
  5. Step 5: Solve for x
    x = 1,203,699,625,705.67/918,938.88
  6. Step 6: Final answer
    x = 1,309,879.96

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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.