Home / 1,136,187.72-1,567,937.88-626,890.05

Finding the Fourth Proportional to 1,136,187.72, 1,567,937.88 and 626,890.05

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Solution

The fourth proportional to 1,136,187.72, 1,567,937.88 and 626,890.05 is: 865,107.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,187.72 : 1,567,937.88 = 626,890.05 : x
  2. Step 2: Convert to fraction form
    1,136,187.72/1,567,937.88 = 626,890.05/x
  3. Step 3: Cross multiply
    1,136,187.72x = 1,567,937.88 × 626,890.05
  4. Step 4: Simplify right side
    1,136,187.72x = 982,924,655,990.09
  5. Step 5: Solve for x
    x = 982,924,655,990.09/1,136,187.72
  6. Step 6: Final answer
    x = 865,107.62

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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.