Home / 1,230,098.32-1,845,136.40-388,650

Finding the Fourth Proportional to 1,230,098.32, 1,845,136.40 and 388,650

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Solution

The fourth proportional to 1,230,098.32, 1,845,136.40 and 388,650 is: 582,971.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,098.32 : 1,845,136.40 = 388,650 : x
  2. Step 2: Convert to fraction form
    1,230,098.32/1,845,136.40 = 388,650/x
  3. Step 3: Cross multiply
    1,230,098.32x = 1,845,136.40 × 388,650
  4. Step 4: Simplify right side
    1,230,098.32x = 717,112,261,860
  5. Step 5: Solve for x
    x = 717,112,261,860/1,230,098.32
  6. Step 6: Final answer
    x = 582,971.50

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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.