Home / 1,266,804.03-1,748,223.53-715,475.51

Finding the Fourth Proportional to 1,266,804.03, 1,748,223.53 and 715,475.51

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Solution

The fourth proportional to 1,266,804.03, 1,748,223.53 and 715,475.51 is: 987,375.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,804.03 : 1,748,223.53 = 715,475.51 : x
  2. Step 2: Convert to fraction form
    1,266,804.03/1,748,223.53 = 715,475.51/x
  3. Step 3: Cross multiply
    1,266,804.03x = 1,748,223.53 × 715,475.51
  4. Step 4: Simplify right side
    1,266,804.03x = 1,250,811,121,720.75
  5. Step 5: Solve for x
    x = 1,250,811,121,720.75/1,266,804.03
  6. Step 6: Final answer
    x = 987,375.39

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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.