Home / 1,587,634.10-2,190,926.31-862,476.02

Finding the Fourth Proportional to 1,587,634.10, 2,190,926.31 and 862,476.02

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Solution

The fourth proportional to 1,587,634.10, 2,190,926.31 and 862,476.02 is: 1,190,212.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,634.10 : 2,190,926.31 = 862,476.02 : x
  2. Step 2: Convert to fraction form
    1,587,634.10/2,190,926.31 = 862,476.02/x
  3. Step 3: Cross multiply
    1,587,634.10x = 2,190,926.31 × 862,476.02
  4. Step 4: Simplify right side
    1,587,634.10x = 1,889,621,403,962.09
  5. Step 5: Solve for x
    x = 1,889,621,403,962.09/1,587,634.10
  6. Step 6: Final answer
    x = 1,190,212.16

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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.