Home / 1,317,428.38-1,817,966.73-736,699.36

Finding the Fourth Proportional to 1,317,428.38, 1,817,966.73 and 736,699.36

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Solution

The fourth proportional to 1,317,428.38, 1,817,966.73 and 736,699.36 is: 1,016,597.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,428.38 : 1,817,966.73 = 736,699.36 : x
  2. Step 2: Convert to fraction form
    1,317,428.38/1,817,966.73 = 736,699.36/x
  3. Step 3: Cross multiply
    1,317,428.38x = 1,817,966.73 × 736,699.36
  4. Step 4: Simplify right side
    1,317,428.38x = 1,339,294,926,492.29
  5. Step 5: Solve for x
    x = 1,339,294,926,492.29/1,317,428.38
  6. Step 6: Final answer
    x = 1,016,597.90

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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.