Home / 1,021,188.33-1,531,073.11-452,259.39

Finding the Fourth Proportional to 1,021,188.33, 1,531,073.11 and 452,259.39

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Solution

The fourth proportional to 1,021,188.33, 1,531,073.11 and 452,259.39 is: 678,074.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,188.33 : 1,531,073.11 = 452,259.39 : x
  2. Step 2: Convert to fraction form
    1,021,188.33/1,531,073.11 = 452,259.39/x
  3. Step 3: Cross multiply
    1,021,188.33x = 1,531,073.11 × 452,259.39
  4. Step 4: Simplify right side
    1,021,188.33x = 692,442,190,774.00
  5. Step 5: Solve for x
    x = 692,442,190,774.00/1,021,188.33
  6. Step 6: Final answer
    x = 678,074.92

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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.