Home / 1,146,820.70-1,721,008.65-746,486.30

Finding the Fourth Proportional to 1,146,820.70, 1,721,008.65 and 746,486.30

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Solution

The fourth proportional to 1,146,820.70, 1,721,008.65 and 746,486.30 is: 1,120,235.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,820.70 : 1,721,008.65 = 746,486.30 : x
  2. Step 2: Convert to fraction form
    1,146,820.70/1,721,008.65 = 746,486.30/x
  3. Step 3: Cross multiply
    1,146,820.70x = 1,721,008.65 × 746,486.30
  4. Step 4: Simplify right side
    1,146,820.70x = 1,284,709,379,406.50
  5. Step 5: Solve for x
    x = 1,284,709,379,406.50/1,146,820.70
  6. Step 6: Final answer
    x = 1,120,235.60

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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.