Home / 1,230,515.40-1,844,898.30-472,063.80

Finding the Fourth Proportional to 1,230,515.40, 1,844,898.30 and 472,063.80

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Solution

The fourth proportional to 1,230,515.40, 1,844,898.30 and 472,063.80 is: 707,760.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,515.40 : 1,844,898.30 = 472,063.80 : x
  2. Step 2: Convert to fraction form
    1,230,515.40/1,844,898.30 = 472,063.80/x
  3. Step 3: Cross multiply
    1,230,515.40x = 1,844,898.30 × 472,063.80
  4. Step 4: Simplify right side
    1,230,515.40x = 870,909,702,111.54
  5. Step 5: Solve for x
    x = 870,909,702,111.54/1,230,515.40
  6. Step 6: Final answer
    x = 707,760.10

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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.