Home / 1,189,423.08-1,784,484.60-479,085.48

Finding the Fourth Proportional to 1,189,423.08, 1,784,484.60 and 479,085.48

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Solution

The fourth proportional to 1,189,423.08, 1,784,484.60 and 479,085.48 is: 718,769.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,423.08 : 1,784,484.60 = 479,085.48 : x
  2. Step 2: Convert to fraction form
    1,189,423.08/1,784,484.60 = 479,085.48/x
  3. Step 3: Cross multiply
    1,189,423.08x = 1,784,484.60 × 479,085.48
  4. Step 4: Simplify right side
    1,189,423.08x = 854,920,661,143.61
  5. Step 5: Solve for x
    x = 854,920,661,143.61/1,189,423.08
  6. Step 6: Final answer
    x = 718,769.19

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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.