Home / 1,310,285.92-1,965,428.28-363,656.35

Finding the Fourth Proportional to 1,310,285.92, 1,965,428.28 and 363,656.35

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Solution

The fourth proportional to 1,310,285.92, 1,965,428.28 and 363,656.35 is: 545,484.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,285.92 : 1,965,428.28 = 363,656.35 : x
  2. Step 2: Convert to fraction form
    1,310,285.92/1,965,428.28 = 363,656.35/x
  3. Step 3: Cross multiply
    1,310,285.92x = 1,965,428.28 × 363,656.35
  4. Step 4: Simplify right side
    1,310,285.92x = 714,740,474,491.58
  5. Step 5: Solve for x
    x = 714,740,474,491.58/1,310,285.92
  6. Step 6: Final answer
    x = 545,484.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.