Home / 1,487,284.52-2,229,673.02-645,201.32

Finding the Fourth Proportional to 1,487,284.52, 2,229,673.02 and 645,201.32

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Solution

The fourth proportional to 1,487,284.52, 2,229,673.02 and 645,201.32 is: 967,258.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,284.52 : 2,229,673.02 = 645,201.32 : x
  2. Step 2: Convert to fraction form
    1,487,284.52/2,229,673.02 = 645,201.32/x
  3. Step 3: Cross multiply
    1,487,284.52x = 2,229,673.02 × 645,201.32
  4. Step 4: Simplify right side
    1,487,284.52x = 1,438,587,975,672.39
  5. Step 5: Solve for x
    x = 1,438,587,975,672.39/1,487,284.52
  6. Step 6: Final answer
    x = 967,258.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.