Home / 1,645,432.40-2,468,148.60-1,313,656.40

Finding the Fourth Proportional to 1,645,432.40, 2,468,148.60 and 1,313,656.40

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Solution

The fourth proportional to 1,645,432.40, 2,468,148.60 and 1,313,656.40 is: 1,970,484.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,645,432.40 : 2,468,148.60 = 1,313,656.40 : x
  2. Step 2: Convert to fraction form
    1,645,432.40/2,468,148.60 = 1,313,656.40/x
  3. Step 3: Cross multiply
    1,645,432.40x = 2,468,148.60 × 1,313,656.40
  4. Step 4: Simplify right side
    1,645,432.40x = 3,242,299,204,541.04
  5. Step 5: Solve for x
    x = 3,242,299,204,541.04/1,645,432.40
  6. Step 6: Final answer
    x = 1,970,484.60

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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.