Home / 1,329,627.84-1,835,030.88-820,317.12

Finding the Fourth Proportional to 1,329,627.84, 1,835,030.88 and 820,317.12

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Solution

The fourth proportional to 1,329,627.84, 1,835,030.88 and 820,317.12 is: 1,132,126.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,627.84 : 1,835,030.88 = 820,317.12 : x
  2. Step 2: Convert to fraction form
    1,329,627.84/1,835,030.88 = 820,317.12/x
  3. Step 3: Cross multiply
    1,329,627.84x = 1,835,030.88 × 820,317.12
  4. Step 4: Simplify right side
    1,329,627.84x = 1,505,307,246,592.67
  5. Step 5: Solve for x
    x = 1,505,307,246,592.67/1,329,627.84
  6. Step 6: Final answer
    x = 1,132,126.75

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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.