Home / 1,143,821.52-1,715,743.80-345,109.68

Finding the Fourth Proportional to 1,143,821.52, 1,715,743.80 and 345,109.68

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Solution

The fourth proportional to 1,143,821.52, 1,715,743.80 and 345,109.68 is: 517,668.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,821.52 : 1,715,743.80 = 345,109.68 : x
  2. Step 2: Convert to fraction form
    1,143,821.52/1,715,743.80 = 345,109.68/x
  3. Step 3: Cross multiply
    1,143,821.52x = 1,715,743.80 × 345,109.68
  4. Step 4: Simplify right side
    1,143,821.52x = 592,119,793,779.98
  5. Step 5: Solve for x
    x = 592,119,793,779.98/1,143,821.52
  6. Step 6: Final answer
    x = 517,668.00

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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.