Home / 1,146,349.87-1,716,888.33-665,386.50

Finding the Fourth Proportional to 1,146,349.87, 1,716,888.33 and 665,386.50

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Solution

The fourth proportional to 1,146,349.87, 1,716,888.33 and 665,386.50 is: 996,549.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,349.87 : 1,716,888.33 = 665,386.50 : x
  2. Step 2: Convert to fraction form
    1,146,349.87/1,716,888.33 = 665,386.50/x
  3. Step 3: Cross multiply
    1,146,349.87x = 1,716,888.33 × 665,386.50
  4. Step 4: Simplify right side
    1,146,349.87x = 1,142,394,316,789.55
  5. Step 5: Solve for x
    x = 1,142,394,316,789.55/1,146,349.87
  6. Step 6: Final answer
    x = 996,549.44

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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.