Home / 1,185,531.48-1,778,482.41-386,627.22

Finding the Fourth Proportional to 1,185,531.48, 1,778,482.41 and 386,627.22

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Solution

The fourth proportional to 1,185,531.48, 1,778,482.41 and 386,627.22 is: 580,001.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,531.48 : 1,778,482.41 = 386,627.22 : x
  2. Step 2: Convert to fraction form
    1,185,531.48/1,778,482.41 = 386,627.22/x
  3. Step 3: Cross multiply
    1,185,531.48x = 1,778,482.41 × 386,627.22
  4. Step 4: Simplify right side
    1,185,531.48x = 687,609,709,997.20
  5. Step 5: Solve for x
    x = 687,609,709,997.20/1,185,531.48
  6. Step 6: Final answer
    x = 580,001.22

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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.