Home / 1,079,470.23-1,489,756.56-620,733.92

Finding the Fourth Proportional to 1,079,470.23, 1,489,756.56 and 620,733.92

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Solution

The fourth proportional to 1,079,470.23, 1,489,756.56 and 620,733.92 is: 856,663.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,470.23 : 1,489,756.56 = 620,733.92 : x
  2. Step 2: Convert to fraction form
    1,079,470.23/1,489,756.56 = 620,733.92/x
  3. Step 3: Cross multiply
    1,079,470.23x = 1,489,756.56 × 620,733.92
  4. Step 4: Simplify right side
    1,079,470.23x = 924,742,419,557.98
  5. Step 5: Solve for x
    x = 924,742,419,557.98/1,079,470.23
  6. Step 6: Final answer
    x = 856,663.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.