Home / 1,580,665.10-2,181,370.65-968,699.61

Finding the Fourth Proportional to 1,580,665.10, 2,181,370.65 and 968,699.61

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Solution

The fourth proportional to 1,580,665.10, 2,181,370.65 and 968,699.61 is: 1,336,837.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,665.10 : 2,181,370.65 = 968,699.61 : x
  2. Step 2: Convert to fraction form
    1,580,665.10/2,181,370.65 = 968,699.61/x
  3. Step 3: Cross multiply
    1,580,665.10x = 2,181,370.65 × 968,699.61
  4. Step 4: Simplify right side
    1,580,665.10x = 2,113,092,909,705.15
  5. Step 5: Solve for x
    x = 2,113,092,909,705.15/1,580,665.10
  6. Step 6: Final answer
    x = 1,336,837.84

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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.