Home / 1,317,711.04-1,818,636.28-834,321.12

Finding the Fourth Proportional to 1,317,711.04, 1,818,636.28 and 834,321.12

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Solution

The fourth proportional to 1,317,711.04, 1,818,636.28 and 834,321.12 is: 1,151,486.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,711.04 : 1,818,636.28 = 834,321.12 : x
  2. Step 2: Convert to fraction form
    1,317,711.04/1,818,636.28 = 834,321.12/x
  3. Step 3: Cross multiply
    1,317,711.04x = 1,818,636.28 × 834,321.12
  4. Step 4: Simplify right side
    1,317,711.04x = 1,517,326,658,002.23
  5. Step 5: Solve for x
    x = 1,517,326,658,002.23/1,317,711.04
  6. Step 6: Final answer
    x = 1,151,486.64

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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.