Home / 1,587,481.02-2,191,042.62-942,776.64

Finding the Fourth Proportional to 1,587,481.02, 2,191,042.62 and 942,776.64

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Solution

The fourth proportional to 1,587,481.02, 2,191,042.62 and 942,776.64 is: 1,301,221.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,481.02 : 2,191,042.62 = 942,776.64 : x
  2. Step 2: Convert to fraction form
    1,587,481.02/2,191,042.62 = 942,776.64/x
  3. Step 3: Cross multiply
    1,587,481.02x = 2,191,042.62 × 942,776.64
  4. Step 4: Simplify right side
    1,587,481.02x = 2,065,663,799,380.40
  5. Step 5: Solve for x
    x = 2,065,663,799,380.40/1,587,481.02
  6. Step 6: Final answer
    x = 1,301,221.10

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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.