Home / 1,419,632.10-2,130,031.35-521,504.10

Finding the Fourth Proportional to 1,419,632.10, 2,130,031.35 and 521,504.10

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Solution

The fourth proportional to 1,419,632.10, 2,130,031.35 and 521,504.10 is: 782,470.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,632.10 : 2,130,031.35 = 521,504.10 : x
  2. Step 2: Convert to fraction form
    1,419,632.10/2,130,031.35 = 521,504.10/x
  3. Step 3: Cross multiply
    1,419,632.10x = 2,130,031.35 × 521,504.10
  4. Step 4: Simplify right side
    1,419,632.10x = 1,110,820,082,153.53
  5. Step 5: Solve for x
    x = 1,110,820,082,153.53/1,419,632.10
  6. Step 6: Final answer
    x = 782,470.39

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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.