Home / 1,238,318.94-1,857,920.86-752,988.51

Finding the Fourth Proportional to 1,238,318.94, 1,857,920.86 and 752,988.51

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Solution

The fourth proportional to 1,238,318.94, 1,857,920.86 and 752,988.51 is: 1,129,751.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,318.94 : 1,857,920.86 = 752,988.51 : x
  2. Step 2: Convert to fraction form
    1,238,318.94/1,857,920.86 = 752,988.51/x
  3. Step 3: Cross multiply
    1,238,318.94x = 1,857,920.86 × 752,988.51
  4. Step 4: Simplify right side
    1,238,318.94x = 1,398,993,050,779.71
  5. Step 5: Solve for x
    x = 1,398,993,050,779.71/1,238,318.94
  6. Step 6: Final answer
    x = 1,129,751.80

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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.