Home / 1,148,243.04-1,584,554.40-638,940.96

Finding the Fourth Proportional to 1,148,243.04, 1,584,554.40 and 638,940.96

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Solution

The fourth proportional to 1,148,243.04, 1,584,554.40 and 638,940.96 is: 881,726.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,243.04 : 1,584,554.40 = 638,940.96 : x
  2. Step 2: Convert to fraction form
    1,148,243.04/1,584,554.40 = 638,940.96/x
  3. Step 3: Cross multiply
    1,148,243.04x = 1,584,554.40 × 638,940.96
  4. Step 4: Simplify right side
    1,148,243.04x = 1,012,436,709,508.22
  5. Step 5: Solve for x
    x = 1,012,436,709,508.22/1,148,243.04
  6. Step 6: Final answer
    x = 881,726.84

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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.