Home / 1,429,568.10-2,143,876.40-576,419.40

Finding the Fourth Proportional to 1,429,568.10, 2,143,876.40 and 576,419.40

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Solution

The fourth proportional to 1,429,568.10, 2,143,876.40 and 576,419.40 is: 864,437.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,568.10 : 2,143,876.40 = 576,419.40 : x
  2. Step 2: Convert to fraction form
    1,429,568.10/2,143,876.40 = 576,419.40/x
  3. Step 3: Cross multiply
    1,429,568.10x = 2,143,876.40 × 576,419.40
  4. Step 4: Simplify right side
    1,429,568.10x = 1,235,771,948,162.16
  5. Step 5: Solve for x
    x = 1,235,771,948,162.16/1,429,568.10
  6. Step 6: Final answer
    x = 864,437.27

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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.