Home / 1,059,539.76-1,590,308.46-386,271.78

Finding the Fourth Proportional to 1,059,539.76, 1,590,308.46 and 386,271.78

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Solution

The fourth proportional to 1,059,539.76, 1,590,308.46 and 386,271.78 is: 579,771.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059,539.76 : 1,590,308.46 = 386,271.78 : x
  2. Step 2: Convert to fraction form
    1,059,539.76/1,590,308.46 = 386,271.78/x
  3. Step 3: Cross multiply
    1,059,539.76x = 1,590,308.46 × 386,271.78
  4. Step 4: Simplify right side
    1,059,539.76x = 614,291,279,593.26
  5. Step 5: Solve for x
    x = 614,291,279,593.26/1,059,539.76
  6. Step 6: Final answer
    x = 579,771.81

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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.