Home / 1,311,047.30-1,809,279.02-738,107.93

Finding the Fourth Proportional to 1,311,047.30, 1,809,279.02 and 738,107.93

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Solution

The fourth proportional to 1,311,047.30, 1,809,279.02 and 738,107.93 is: 1,018,607.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,047.30 : 1,809,279.02 = 738,107.93 : x
  2. Step 2: Convert to fraction form
    1,311,047.30/1,809,279.02 = 738,107.93/x
  3. Step 3: Cross multiply
    1,311,047.30x = 1,809,279.02 × 738,107.93
  4. Step 4: Simplify right side
    1,311,047.30x = 1,335,443,192,244.63
  5. Step 5: Solve for x
    x = 1,335,443,192,244.63/1,311,047.30
  6. Step 6: Final answer
    x = 1,018,607.94

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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.