Home / 1,255,385.70-1,883,151.45-356,893.20

Finding the Fourth Proportional to 1,255,385.70, 1,883,151.45 and 356,893.20

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Solution

The fourth proportional to 1,255,385.70, 1,883,151.45 and 356,893.20 is: 535,360.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,385.70 : 1,883,151.45 = 356,893.20 : x
  2. Step 2: Convert to fraction form
    1,255,385.70/1,883,151.45 = 356,893.20/x
  3. Step 3: Cross multiply
    1,255,385.70x = 1,883,151.45 × 356,893.20
  4. Step 4: Simplify right side
    1,255,385.70x = 672,083,947,075.14
  5. Step 5: Solve for x
    x = 672,083,947,075.14/1,255,385.70
  6. Step 6: Final answer
    x = 535,360.52

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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.