Home / 1,308,643.26-1,962,965.34-410,154.72

Finding the Fourth Proportional to 1,308,643.26, 1,962,965.34 and 410,154.72

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Solution

The fourth proportional to 1,308,643.26, 1,962,965.34 and 410,154.72 is: 615,232.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,643.26 : 1,962,965.34 = 410,154.72 : x
  2. Step 2: Convert to fraction form
    1,308,643.26/1,962,965.34 = 410,154.72/x
  3. Step 3: Cross multiply
    1,308,643.26x = 1,962,965.34 × 410,154.72
  4. Step 4: Simplify right side
    1,308,643.26x = 805,119,499,397.41
  5. Step 5: Solve for x
    x = 805,119,499,397.41/1,308,643.26
  6. Step 6: Final answer
    x = 615,232.22

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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.