Home / 1,379,108.40-2,064,823.20-703,730.40

Finding the Fourth Proportional to 1,379,108.40, 2,064,823.20 and 703,730.40

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Solution

The fourth proportional to 1,379,108.40, 2,064,823.20 and 703,730.40 is: 1,053,636.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,108.40 : 2,064,823.20 = 703,730.40 : x
  2. Step 2: Convert to fraction form
    1,379,108.40/2,064,823.20 = 703,730.40/x
  3. Step 3: Cross multiply
    1,379,108.40x = 2,064,823.20 × 703,730.40
  4. Step 4: Simplify right side
    1,379,108.40x = 1,453,078,856,465.28
  5. Step 5: Solve for x
    x = 1,453,078,856,465.28/1,379,108.40
  6. Step 6: Final answer
    x = 1,053,636.43

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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.