Home / 1,370,378.46-1,890,687.41-797,307.90

Finding the Fourth Proportional to 1,370,378.46, 1,890,687.41 and 797,307.90

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Solution

The fourth proportional to 1,370,378.46, 1,890,687.41 and 797,307.90 is: 1,100,031.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,378.46 : 1,890,687.41 = 797,307.90 : x
  2. Step 2: Convert to fraction form
    1,370,378.46/1,890,687.41 = 797,307.90/x
  3. Step 3: Cross multiply
    1,370,378.46x = 1,890,687.41 × 797,307.90
  4. Step 4: Simplify right side
    1,370,378.46x = 1,507,460,004,437.00
  5. Step 5: Solve for x
    x = 1,507,460,004,437.00/1,370,378.46
  6. Step 6: Final answer
    x = 1,100,031.89

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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.