Home / 1,289,552.13-1,779,600.44-708,829.04

Finding the Fourth Proportional to 1,289,552.13, 1,779,600.44 and 708,829.04

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Solution

The fourth proportional to 1,289,552.13, 1,779,600.44 and 708,829.04 is: 978,194.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,552.13 : 1,779,600.44 = 708,829.04 : x
  2. Step 2: Convert to fraction form
    1,289,552.13/1,779,600.44 = 708,829.04/x
  3. Step 3: Cross multiply
    1,289,552.13x = 1,779,600.44 × 708,829.04
  4. Step 4: Simplify right side
    1,289,552.13x = 1,261,432,459,026.63
  5. Step 5: Solve for x
    x = 1,261,432,459,026.63/1,289,552.13
  6. Step 6: Final answer
    x = 978,194.23

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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.