Home / 1,742,707.20-2,613,446.40-620,812.80

Finding the Fourth Proportional to 1,742,707.20, 2,613,446.40 and 620,812.80

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Solution

The fourth proportional to 1,742,707.20, 2,613,446.40 and 620,812.80 is: 931,000.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,742,707.20 : 2,613,446.40 = 620,812.80 : x
  2. Step 2: Convert to fraction form
    1,742,707.20/2,613,446.40 = 620,812.80/x
  3. Step 3: Cross multiply
    1,742,707.20x = 2,613,446.40 × 620,812.80
  4. Step 4: Simplify right side
    1,742,707.20x = 1,622,460,977,233.92
  5. Step 5: Solve for x
    x = 1,622,460,977,233.92/1,742,707.20
  6. Step 6: Final answer
    x = 931,000.33

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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.