Home / 1,172,291.27-1,758,190.86-330,646.19

Finding the Fourth Proportional to 1,172,291.27, 1,758,190.86 and 330,646.19

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Solution

The fourth proportional to 1,172,291.27, 1,758,190.86 and 330,646.19 is: 495,899.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,291.27 : 1,758,190.86 = 330,646.19 : x
  2. Step 2: Convert to fraction form
    1,172,291.27/1,758,190.86 = 330,646.19/x
  3. Step 3: Cross multiply
    1,172,291.27x = 1,758,190.86 × 330,646.19
  4. Step 4: Simplify right side
    1,172,291.27x = 581,339,105,714.16
  5. Step 5: Solve for x
    x = 581,339,105,714.16/1,172,291.27
  6. Step 6: Final answer
    x = 495,899.89

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1.5x scale

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.