Home / 1,148,423.11-1,722,503.45-307,040.47

Finding the Fourth Proportional to 1,148,423.11, 1,722,503.45 and 307,040.47

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Solution

The fourth proportional to 1,148,423.11, 1,722,503.45 and 307,040.47 is: 460,525.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,423.11 : 1,722,503.45 = 307,040.47 : x
  2. Step 2: Convert to fraction form
    1,148,423.11/1,722,503.45 = 307,040.47/x
  3. Step 3: Cross multiply
    1,148,423.11x = 1,722,503.45 × 307,040.47
  4. Step 4: Simplify right side
    1,148,423.11x = 528,878,267,329.42
  5. Step 5: Solve for x
    x = 528,878,267,329.42/1,148,423.11
  6. Step 6: Final answer
    x = 460,525.62

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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.