Home / 1,137,854.85-1,568,967.53-930,478.65

Finding the Fourth Proportional to 1,137,854.85, 1,568,967.53 and 930,478.65

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Solution

The fourth proportional to 1,137,854.85, 1,568,967.53 and 930,478.65 is: 1,283,020.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,854.85 : 1,568,967.53 = 930,478.65 : x
  2. Step 2: Convert to fraction form
    1,137,854.85/1,568,967.53 = 930,478.65/x
  3. Step 3: Cross multiply
    1,137,854.85x = 1,568,967.53 × 930,478.65
  4. Step 4: Simplify right side
    1,137,854.85x = 1,459,890,789,208.23
  5. Step 5: Solve for x
    x = 1,459,890,789,208.23/1,137,854.85
  6. Step 6: Final answer
    x = 1,283,020.23

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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.