Home / 1,399,085.70-2,098,628.55-453,135.30

Finding the Fourth Proportional to 1,399,085.70, 2,098,628.55 and 453,135.30

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Solution

The fourth proportional to 1,399,085.70, 2,098,628.55 and 453,135.30 is: 679,702.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,085.70 : 2,098,628.55 = 453,135.30 : x
  2. Step 2: Convert to fraction form
    1,399,085.70/2,098,628.55 = 453,135.30/x
  3. Step 3: Cross multiply
    1,399,085.70x = 2,098,628.55 × 453,135.30
  4. Step 4: Simplify right side
    1,399,085.70x = 950,962,677,592.82
  5. Step 5: Solve for x
    x = 950,962,677,592.82/1,399,085.70
  6. Step 6: Final answer
    x = 679,702.95

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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.