Home / 1,356,480.21-1,872,037.31-896,796.12

Finding the Fourth Proportional to 1,356,480.21, 1,872,037.31 and 896,796.12

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Solution

The fourth proportional to 1,356,480.21, 1,872,037.31 and 896,796.12 is: 1,237,641.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356,480.21 : 1,872,037.31 = 896,796.12 : x
  2. Step 2: Convert to fraction form
    1,356,480.21/1,872,037.31 = 896,796.12/x
  3. Step 3: Cross multiply
    1,356,480.21x = 1,872,037.31 × 896,796.12
  4. Step 4: Simplify right side
    1,356,480.21x = 1,678,835,791,619.26
  5. Step 5: Solve for x
    x = 1,678,835,791,619.26/1,356,480.21
  6. Step 6: Final answer
    x = 1,237,641.20

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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.