Home / 1,145,105.20-1,717,657.80-546,353.20

Finding the Fourth Proportional to 1,145,105.20, 1,717,657.80 and 546,353.20

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Solution

The fourth proportional to 1,145,105.20, 1,717,657.80 and 546,353.20 is: 819,529.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,105.20 : 1,717,657.80 = 546,353.20 : x
  2. Step 2: Convert to fraction form
    1,145,105.20/1,717,657.80 = 546,353.20/x
  3. Step 3: Cross multiply
    1,145,105.20x = 1,717,657.80 × 546,353.20
  4. Step 4: Simplify right side
    1,145,105.20x = 938,447,835,534.96
  5. Step 5: Solve for x
    x = 938,447,835,534.96/1,145,105.20
  6. Step 6: Final answer
    x = 819,529.80

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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.