Home / 1,272,787.12-1,756,431.98-947,554.30

Finding the Fourth Proportional to 1,272,787.12, 1,756,431.98 and 947,554.30

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Solution

The fourth proportional to 1,272,787.12, 1,756,431.98 and 947,554.30 is: 1,307,614.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,787.12 : 1,756,431.98 = 947,554.30 : x
  2. Step 2: Convert to fraction form
    1,272,787.12/1,756,431.98 = 947,554.30/x
  3. Step 3: Cross multiply
    1,272,787.12x = 1,756,431.98 × 947,554.30
  4. Step 4: Simplify right side
    1,272,787.12x = 1,664,314,675,306.51
  5. Step 5: Solve for x
    x = 1,664,314,675,306.51/1,272,787.12
  6. Step 6: Final answer
    x = 1,307,614.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.