Home / 1,148,245.04-1,584,557.16-638,942.96

Finding the Fourth Proportional to 1,148,245.04, 1,584,557.16 and 638,942.96

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Solution

The fourth proportional to 1,148,245.04, 1,584,557.16 and 638,942.96 is: 881,729.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,245.04 : 1,584,557.16 = 638,942.96 : x
  2. Step 2: Convert to fraction form
    1,148,245.04/1,584,557.16 = 638,942.96/x
  3. Step 3: Cross multiply
    1,148,245.04x = 1,584,557.16 × 638,942.96
  4. Step 4: Simplify right side
    1,148,245.04x = 1,012,441,642,099.59
  5. Step 5: Solve for x
    x = 1,012,441,642,099.59/1,148,245.04
  6. Step 6: Final answer
    x = 881,729.60

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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.