Home / 755,999.40-1,133,999.10-738,503.40

Finding the Fourth Proportional to 755,999.40, 1,133,999.10 and 738,503.40

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Solution

The fourth proportional to 755,999.40, 1,133,999.10 and 738,503.40 is: 1,107,755.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,999.40 : 1,133,999.10 = 738,503.40 : x
  2. Step 2: Convert to fraction form
    755,999.40/1,133,999.10 = 738,503.40/x
  3. Step 3: Cross multiply
    755,999.40x = 1,133,999.10 × 738,503.40
  4. Step 4: Simplify right side
    755,999.40x = 837,462,190,946.94
  5. Step 5: Solve for x
    x = 837,462,190,946.94/755,999.40
  6. Step 6: Final answer
    x = 1,107,755.10

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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.