Home / 1,333,072.59-1,999,135.95-479,915.16

Finding the Fourth Proportional to 1,333,072.59, 1,999,135.95 and 479,915.16

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Solution

The fourth proportional to 1,333,072.59, 1,999,135.95 and 479,915.16 is: 719,702.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,072.59 : 1,999,135.95 = 479,915.16 : x
  2. Step 2: Convert to fraction form
    1,333,072.59/1,999,135.95 = 479,915.16/x
  3. Step 3: Cross multiply
    1,333,072.59x = 1,999,135.95 × 479,915.16
  4. Step 4: Simplify right side
    1,333,072.59x = 959,415,653,218.99
  5. Step 5: Solve for x
    x = 959,415,653,218.99/1,333,072.59
  6. Step 6: Final answer
    x = 719,702.49

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1.5x scale

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.