Home / 1,238,575.80-1,857,863.70-707,134.80

Finding the Fourth Proportional to 1,238,575.80, 1,857,863.70 and 707,134.80

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Solution

The fourth proportional to 1,238,575.80, 1,857,863.70 and 707,134.80 is: 1,060,702.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,575.80 : 1,857,863.70 = 707,134.80 : x
  2. Step 2: Convert to fraction form
    1,238,575.80/1,857,863.70 = 707,134.80/x
  3. Step 3: Cross multiply
    1,238,575.80x = 1,857,863.70 × 707,134.80
  4. Step 4: Simplify right side
    1,238,575.80x = 1,313,760,075,926.76
  5. Step 5: Solve for x
    x = 1,313,760,075,926.76/1,238,575.80
  6. Step 6: Final answer
    x = 1,060,702.20

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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.