Home / 1,742,564.80-2,613,978.48-480,381.76

Finding the Fourth Proportional to 1,742,564.80, 2,613,978.48 and 480,381.76

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Solution

The fourth proportional to 1,742,564.80, 2,613,978.48 and 480,381.76 is: 720,608.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,742,564.80 : 2,613,978.48 = 480,381.76 : x
  2. Step 2: Convert to fraction form
    1,742,564.80/2,613,978.48 = 480,381.76/x
  3. Step 3: Cross multiply
    1,742,564.80x = 2,613,978.48 × 480,381.76
  4. Step 4: Simplify right side
    1,742,564.80x = 1,255,707,582,824.52
  5. Step 5: Solve for x
    x = 1,255,707,582,824.52/1,742,564.80
  6. Step 6: Final answer
    x = 720,608.83

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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.