Home / 1,255,674.20-1,883,511.30-830,521.40

Finding the Fourth Proportional to 1,255,674.20, 1,883,511.30 and 830,521.40

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Solution

The fourth proportional to 1,255,674.20, 1,883,511.30 and 830,521.40 is: 1,245,782.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,674.20 : 1,883,511.30 = 830,521.40 : x
  2. Step 2: Convert to fraction form
    1,255,674.20/1,883,511.30 = 830,521.40/x
  3. Step 3: Cross multiply
    1,255,674.20x = 1,883,511.30 × 830,521.40
  4. Step 4: Simplify right side
    1,255,674.20x = 1,564,296,441,791.82
  5. Step 5: Solve for x
    x = 1,564,296,441,791.82/1,255,674.20
  6. Step 6: Final answer
    x = 1,245,782.10

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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.