Home / 1,143,098.34-1,578,188.64-735,905.67

Finding the Fourth Proportional to 1,143,098.34, 1,578,188.64 and 735,905.67

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Solution

The fourth proportional to 1,143,098.34, 1,578,188.64 and 735,905.67 is: 1,016,008.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,098.34 : 1,578,188.64 = 735,905.67 : x
  2. Step 2: Convert to fraction form
    1,143,098.34/1,578,188.64 = 735,905.67/x
  3. Step 3: Cross multiply
    1,143,098.34x = 1,578,188.64 × 735,905.67
  4. Step 4: Simplify right side
    1,143,098.34x = 1,161,397,968,505.59
  5. Step 5: Solve for x
    x = 1,161,397,968,505.59/1,143,098.34
  6. Step 6: Final answer
    x = 1,016,008.80

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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.