Home / 1,147,394.62-1,583,406.18-638,096.98

Finding the Fourth Proportional to 1,147,394.62, 1,583,406.18 and 638,096.98

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Solution

The fourth proportional to 1,147,394.62, 1,583,406.18 and 638,096.98 is: 880,574.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,394.62 : 1,583,406.18 = 638,096.98 : x
  2. Step 2: Convert to fraction form
    1,147,394.62/1,583,406.18 = 638,096.98/x
  3. Step 3: Cross multiply
    1,147,394.62x = 1,583,406.18 × 638,096.98
  4. Step 4: Simplify right side
    1,147,394.62x = 1,010,366,701,571.34
  5. Step 5: Solve for x
    x = 1,010,366,701,571.34/1,147,394.62
  6. Step 6: Final answer
    x = 880,574.72

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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.