Home / 1,147,287.36-1,583,191.26-637,978.80

Finding the Fourth Proportional to 1,147,287.36, 1,583,191.26 and 637,978.80

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Solution

The fourth proportional to 1,147,287.36, 1,583,191.26 and 637,978.80 is: 880,374.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,287.36 : 1,583,191.26 = 637,978.80 : x
  2. Step 2: Convert to fraction form
    1,147,287.36/1,583,191.26 = 637,978.80/x
  3. Step 3: Cross multiply
    1,147,287.36x = 1,583,191.26 × 637,978.80
  4. Step 4: Simplify right side
    1,147,287.36x = 1,010,042,460,225.29
  5. Step 5: Solve for x
    x = 1,010,042,460,225.29/1,147,287.36
  6. Step 6: Final answer
    x = 880,374.43

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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.