Home / 973,103.70-1,459,655.55-917,991.30

Finding the Fourth Proportional to 973,103.70, 1,459,655.55 and 917,991.30

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Solution

The fourth proportional to 973,103.70, 1,459,655.55 and 917,991.30 is: 1,376,986.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    973,103.70 : 1,459,655.55 = 917,991.30 : x
  2. Step 2: Convert to fraction form
    973,103.70/1,459,655.55 = 917,991.30/x
  3. Step 3: Cross multiply
    973,103.70x = 1,459,655.55 × 917,991.30
  4. Step 4: Simplify right side
    973,103.70x = 1,339,951,095,896.72
  5. Step 5: Solve for x
    x = 1,339,951,095,896.72/973,103.70
  6. Step 6: Final answer
    x = 1,376,986.95

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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.