Home / 914,623.60-1,369,602.60-727,999.60

Finding the Fourth Proportional to 914,623.60, 1,369,602.60 and 727,999.60

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Solution

The fourth proportional to 914,623.60, 1,369,602.60 and 727,999.60 is: 1,090,142.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,623.60 : 1,369,602.60 = 727,999.60 : x
  2. Step 2: Convert to fraction form
    914,623.60/1,369,602.60 = 727,999.60/x
  3. Step 3: Cross multiply
    914,623.60x = 1,369,602.60 × 727,999.60
  4. Step 4: Simplify right side
    914,623.60x = 997,070,144,958.96
  5. Step 5: Solve for x
    x = 997,070,144,958.96/914,623.60
  6. Step 6: Final answer
    x = 1,090,142.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.