Home / 1,279,663.48-1,919,298.34-426,750.04

Finding the Fourth Proportional to 1,279,663.48, 1,919,298.34 and 426,750.04

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Solution

The fourth proportional to 1,279,663.48, 1,919,298.34 and 426,750.04 is: 640,059.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,663.48 : 1,919,298.34 = 426,750.04 : x
  2. Step 2: Convert to fraction form
    1,279,663.48/1,919,298.34 = 426,750.04/x
  3. Step 3: Cross multiply
    1,279,663.48x = 1,919,298.34 × 426,750.04
  4. Step 4: Simplify right side
    1,279,663.48x = 819,060,643,366.93
  5. Step 5: Solve for x
    x = 819,060,643,366.93/1,279,663.48
  6. Step 6: Final answer
    x = 640,059.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.