Home / 1,157,151.38-1,728,690.24-749,018.84

Finding the Fourth Proportional to 1,157,151.38, 1,728,690.24 and 749,018.84

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Solution

The fourth proportional to 1,157,151.38, 1,728,690.24 and 749,018.84 is: 1,118,973.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,151.38 : 1,728,690.24 = 749,018.84 : x
  2. Step 2: Convert to fraction form
    1,157,151.38/1,728,690.24 = 749,018.84/x
  3. Step 3: Cross multiply
    1,157,151.38x = 1,728,690.24 × 749,018.84
  4. Step 4: Simplify right side
    1,157,151.38x = 1,294,821,554,539.03
  5. Step 5: Solve for x
    x = 1,294,821,554,539.03/1,157,151.38
  6. Step 6: Final answer
    x = 1,118,973.35

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.