Home / 1,321,253.08-1,823,353.28-748,412.20

Finding the Fourth Proportional to 1,321,253.08, 1,823,353.28 and 748,412.20

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Solution

The fourth proportional to 1,321,253.08, 1,823,353.28 and 748,412.20 is: 1,032,822.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,253.08 : 1,823,353.28 = 748,412.20 : x
  2. Step 2: Convert to fraction form
    1,321,253.08/1,823,353.28 = 748,412.20/x
  3. Step 3: Cross multiply
    1,321,253.08x = 1,823,353.28 × 748,412.20
  4. Step 4: Simplify right side
    1,321,253.08x = 1,364,619,839,662.02
  5. Step 5: Solve for x
    x = 1,364,619,839,662.02/1,321,253.08
  6. Step 6: Final answer
    x = 1,032,822.45

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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.