Home / 1,051,358.85-1,577,038.11-252,640.40

Finding the Fourth Proportional to 1,051,358.85, 1,577,038.11 and 252,640.40

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Solution

The fourth proportional to 1,051,358.85, 1,577,038.11 and 252,640.40 is: 378,960.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051,358.85 : 1,577,038.11 = 252,640.40 : x
  2. Step 2: Convert to fraction form
    1,051,358.85/1,577,038.11 = 252,640.40/x
  3. Step 3: Cross multiply
    1,051,358.85x = 1,577,038.11 × 252,640.40
  4. Step 4: Simplify right side
    1,051,358.85x = 398,423,531,040.45
  5. Step 5: Solve for x
    x = 398,423,531,040.45/1,051,358.85
  6. Step 6: Final answer
    x = 378,960.55

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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.