Home / 1,368,713.34-1,888,836.63-756,907.50

Finding the Fourth Proportional to 1,368,713.34, 1,888,836.63 and 756,907.50

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Solution

The fourth proportional to 1,368,713.34, 1,888,836.63 and 756,907.50 is: 1,044,539.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,713.34 : 1,888,836.63 = 756,907.50 : x
  2. Step 2: Convert to fraction form
    1,368,713.34/1,888,836.63 = 756,907.50/x
  3. Step 3: Cross multiply
    1,368,713.34x = 1,888,836.63 × 756,907.50
  4. Step 4: Simplify right side
    1,368,713.34x = 1,429,674,611,521.73
  5. Step 5: Solve for x
    x = 1,429,674,611,521.73/1,368,713.34
  6. Step 6: Final answer
    x = 1,044,539.11

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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.