Home / 1,615,096.38-2,423,763.03-642,360.90

Finding the Fourth Proportional to 1,615,096.38, 2,423,763.03 and 642,360.90

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Solution

The fourth proportional to 1,615,096.38, 2,423,763.03 and 642,360.90 is: 963,986.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,096.38 : 2,423,763.03 = 642,360.90 : x
  2. Step 2: Convert to fraction form
    1,615,096.38/2,423,763.03 = 642,360.90/x
  3. Step 3: Cross multiply
    1,615,096.38x = 2,423,763.03 × 642,360.90
  4. Step 4: Simplify right side
    1,615,096.38x = 1,556,930,601,337.53
  5. Step 5: Solve for x
    x = 1,556,930,601,337.53/1,615,096.38
  6. Step 6: Final answer
    x = 963,986.19

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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.