Home / 1,742,722.30-2,608,489.08-931,078.47

Finding the Fourth Proportional to 1,742,722.30, 2,608,489.08 and 931,078.47

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Solution

The fourth proportional to 1,742,722.30, 2,608,489.08 and 931,078.47 is: 1,393,628.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,742,722.30 : 2,608,489.08 = 931,078.47 : x
  2. Step 2: Convert to fraction form
    1,742,722.30/2,608,489.08 = 931,078.47/x
  3. Step 3: Cross multiply
    1,742,722.30x = 2,608,489.08 × 931,078.47
  4. Step 4: Simplify right side
    1,742,722.30x = 2,428,708,021,618.11
  5. Step 5: Solve for x
    x = 2,428,708,021,618.11/1,742,722.30
  6. Step 6: Final answer
    x = 1,393,628.82

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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.