Home / 1,314,999.10-1,972,498.65-755,127.10

Finding the Fourth Proportional to 1,314,999.10, 1,972,498.65 and 755,127.10

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Solution

The fourth proportional to 1,314,999.10, 1,972,498.65 and 755,127.10 is: 1,132,690.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,999.10 : 1,972,498.65 = 755,127.10 : x
  2. Step 2: Convert to fraction form
    1,314,999.10/1,972,498.65 = 755,127.10/x
  3. Step 3: Cross multiply
    1,314,999.10x = 1,972,498.65 × 755,127.10
  4. Step 4: Simplify right side
    1,314,999.10x = 1,489,487,185,328.41
  5. Step 5: Solve for x
    x = 1,489,487,185,328.41/1,314,999.10
  6. Step 6: Final answer
    x = 1,132,690.65

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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.