Home / 1,148,423.61-1,722,504.20-307,040.97

Finding the Fourth Proportional to 1,148,423.61, 1,722,504.20 and 307,040.97

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Solution

The fourth proportional to 1,148,423.61, 1,722,504.20 and 307,040.97 is: 460,526.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,423.61 : 1,722,504.20 = 307,040.97 : x
  2. Step 2: Convert to fraction form
    1,148,423.61/1,722,504.20 = 307,040.97/x
  3. Step 3: Cross multiply
    1,148,423.61x = 1,722,504.20 × 307,040.97
  4. Step 4: Simplify right side
    1,148,423.61x = 528,879,358,861.87
  5. Step 5: Solve for x
    x = 528,879,358,861.87/1,148,423.61
  6. Step 6: Final answer
    x = 460,526.37

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Double scale
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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.