Home / 1,686,040.40-2,529,060.60-488,001.80

Finding the Fourth Proportional to 1,686,040.40, 2,529,060.60 and 488,001.80

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Solution

The fourth proportional to 1,686,040.40, 2,529,060.60 and 488,001.80 is: 732,002.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,040.40 : 2,529,060.60 = 488,001.80 : x
  2. Step 2: Convert to fraction form
    1,686,040.40/2,529,060.60 = 488,001.80/x
  3. Step 3: Cross multiply
    1,686,040.40x = 2,529,060.60 × 488,001.80
  4. Step 4: Simplify right side
    1,686,040.40x = 1,234,186,125,109.08
  5. Step 5: Solve for x
    x = 1,234,186,125,109.08/1,686,040.40
  6. Step 6: Final answer
    x = 732,002.70

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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.