Home / 1,243,642.35-1,862,474.10-709,544.15

Finding the Fourth Proportional to 1,243,642.35, 1,862,474.10 and 709,544.15

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Solution

The fourth proportional to 1,243,642.35, 1,862,474.10 and 709,544.15 is: 1,062,610.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,642.35 : 1,862,474.10 = 709,544.15 : x
  2. Step 2: Convert to fraction form
    1,243,642.35/1,862,474.10 = 709,544.15/x
  3. Step 3: Cross multiply
    1,243,642.35x = 1,862,474.10 × 709,544.15
  4. Step 4: Simplify right side
    1,243,642.35x = 1,321,507,597,192.63
  5. Step 5: Solve for x
    x = 1,321,507,597,192.63/1,243,642.35
  6. Step 6: Final answer
    x = 1,062,610.64

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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.