Home / 1,059,055.60-1,589,370.92-427,974.88

Finding the Fourth Proportional to 1,059,055.60, 1,589,370.92 and 427,974.88

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Solution

The fourth proportional to 1,059,055.60, 1,589,370.92 and 427,974.88 is: 642,280.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059,055.60 : 1,589,370.92 = 427,974.88 : x
  2. Step 2: Convert to fraction form
    1,059,055.60/1,589,370.92 = 427,974.88/x
  3. Step 3: Cross multiply
    1,059,055.60x = 1,589,370.92 × 427,974.88
  4. Step 4: Simplify right side
    1,059,055.60x = 680,210,828,762.49
  5. Step 5: Solve for x
    x = 680,210,828,762.49/1,059,055.60
  6. Step 6: Final answer
    x = 642,280.56

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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.