Home / 1,209,801.82-1,813,436.58-451,338.04

Finding the Fourth Proportional to 1,209,801.82, 1,813,436.58 and 451,338.04

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Solution

The fourth proportional to 1,209,801.82, 1,813,436.58 and 451,338.04 is: 676,534.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,801.82 : 1,813,436.58 = 451,338.04 : x
  2. Step 2: Convert to fraction form
    1,209,801.82/1,813,436.58 = 451,338.04/x
  3. Step 3: Cross multiply
    1,209,801.82x = 1,813,436.58 × 451,338.04
  4. Step 4: Simplify right side
    1,209,801.82x = 818,472,911,681.50
  5. Step 5: Solve for x
    x = 818,472,911,681.50/1,209,801.82
  6. Step 6: Final answer
    x = 676,534.70

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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.