Home / 1,306,913.13-1,958,900.36-665,416.22

Finding the Fourth Proportional to 1,306,913.13, 1,958,900.36 and 665,416.22

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Solution

The fourth proportional to 1,306,913.13, 1,958,900.36 and 665,416.22 is: 997,376.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,913.13 : 1,958,900.36 = 665,416.22 : x
  2. Step 2: Convert to fraction form
    1,306,913.13/1,958,900.36 = 665,416.22/x
  3. Step 3: Cross multiply
    1,306,913.13x = 1,958,900.36 × 665,416.22
  4. Step 4: Simplify right side
    1,306,913.13x = 1,303,484,059,786.26
  5. Step 5: Solve for x
    x = 1,303,484,059,786.26/1,306,913.13
  6. Step 6: Final answer
    x = 997,376.21

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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.