Home / 3,784,711.28-5,674,966.68-1,258,988.72

Finding the Fourth Proportional to 3,784,711.28, 5,674,966.68 and 1,258,988.72

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Solution

The fourth proportional to 3,784,711.28, 5,674,966.68 and 1,258,988.72 is: 1,887,784.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,784,711.28 : 5,674,966.68 = 1,258,988.72 : x
  2. Step 2: Convert to fraction form
    3,784,711.28/5,674,966.68 = 1,258,988.72/x
  3. Step 3: Cross multiply
    3,784,711.28x = 5,674,966.68 × 1,258,988.72
  4. Step 4: Simplify right side
    3,784,711.28x = 7,144,719,036,495.85
  5. Step 5: Solve for x
    x = 7,144,719,036,495.85/3,784,711.28
  6. Step 6: Final answer
    x = 1,887,784.43

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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.