Home / 1,329,013.56-1,834,038.72-725,401.56

Finding the Fourth Proportional to 1,329,013.56, 1,834,038.72 and 725,401.56

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Solution

The fourth proportional to 1,329,013.56, 1,834,038.72 and 725,401.56 is: 1,001,054.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,013.56 : 1,834,038.72 = 725,401.56 : x
  2. Step 2: Convert to fraction form
    1,329,013.56/1,834,038.72 = 725,401.56/x
  3. Step 3: Cross multiply
    1,329,013.56x = 1,834,038.72 × 725,401.56
  4. Step 4: Simplify right side
    1,329,013.56x = 1,330,414,548,588.40
  5. Step 5: Solve for x
    x = 1,330,414,548,588.40/1,329,013.56
  6. Step 6: Final answer
    x = 1,001,054.16

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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.