Home / 1,374,291.23-1,896,749.53-762,640.45

Finding the Fourth Proportional to 1,374,291.23, 1,896,749.53 and 762,640.45

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Solution

The fourth proportional to 1,374,291.23, 1,896,749.53 and 762,640.45 is: 1,052,570.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,291.23 : 1,896,749.53 = 762,640.45 : x
  2. Step 2: Convert to fraction form
    1,374,291.23/1,896,749.53 = 762,640.45/x
  3. Step 3: Cross multiply
    1,374,291.23x = 1,896,749.53 × 762,640.45
  4. Step 4: Simplify right side
    1,374,291.23x = 1,446,537,908,448.01
  5. Step 5: Solve for x
    x = 1,446,537,908,448.01/1,374,291.23
  6. Step 6: Final answer
    x = 1,052,570.14

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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.