Home / 1,209,911.04-1,813,602.56-451,422.72

Finding the Fourth Proportional to 1,209,911.04, 1,813,602.56 and 451,422.72

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Solution

The fourth proportional to 1,209,911.04, 1,813,602.56 and 451,422.72 is: 676,662.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,911.04 : 1,813,602.56 = 451,422.72 : x
  2. Step 2: Convert to fraction form
    1,209,911.04/1,813,602.56 = 451,422.72/x
  3. Step 3: Cross multiply
    1,209,911.04x = 1,813,602.56 × 451,422.72
  4. Step 4: Simplify right side
    1,209,911.04x = 818,701,400,634.16
  5. Step 5: Solve for x
    x = 818,701,400,634.16/1,209,911.04
  6. Step 6: Final answer
    x = 676,662.48

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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.