Home / 1,254,620.90-1,731,320.42-710,745.59

Finding the Fourth Proportional to 1,254,620.90, 1,731,320.42 and 710,745.59

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Solution

The fourth proportional to 1,254,620.90, 1,731,320.42 and 710,745.59 is: 980,796.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,620.90 : 1,731,320.42 = 710,745.59 : x
  2. Step 2: Convert to fraction form
    1,254,620.90/1,731,320.42 = 710,745.59/x
  3. Step 3: Cross multiply
    1,254,620.90x = 1,731,320.42 × 710,745.59
  4. Step 4: Simplify right side
    1,254,620.90x = 1,230,528,354,166.52
  5. Step 5: Solve for x
    x = 1,230,528,354,166.52/1,254,620.90
  6. Step 6: Final answer
    x = 980,796.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.