Home / 1,083,521.40-1,623,787.41-816,988.98

Finding the Fourth Proportional to 1,083,521.40, 1,623,787.41 and 816,988.98

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Solution

The fourth proportional to 1,083,521.40, 1,623,787.41 and 816,988.98 is: 1,224,356.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,083,521.40 : 1,623,787.41 = 816,988.98 : x
  2. Step 2: Convert to fraction form
    1,083,521.40/1,623,787.41 = 816,988.98/x
  3. Step 3: Cross multiply
    1,083,521.40x = 1,623,787.41 × 816,988.98
  4. Step 4: Simplify right side
    1,083,521.40x = 1,326,616,419,832.74
  5. Step 5: Solve for x
    x = 1,326,616,419,832.74/1,083,521.40
  6. Step 6: Final answer
    x = 1,224,356.45

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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.