Home / 1,329,032.64-1,834,001.28-756,019.20

Finding the Fourth Proportional to 1,329,032.64, 1,834,001.28 and 756,019.20

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Solution

The fourth proportional to 1,329,032.64, 1,834,001.28 and 756,019.20 is: 1,043,270.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,032.64 : 1,834,001.28 = 756,019.20 : x
  2. Step 2: Convert to fraction form
    1,329,032.64/1,834,001.28 = 756,019.20/x
  3. Step 3: Cross multiply
    1,329,032.64x = 1,834,001.28 × 756,019.20
  4. Step 4: Simplify right side
    1,329,032.64x = 1,386,540,180,504.58
  5. Step 5: Solve for x
    x = 1,386,540,180,504.58/1,329,032.64
  6. Step 6: Final answer
    x = 1,043,270.22

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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.