Home / 1,187,756.76-1,639,033.74-704,367.48

Finding the Fourth Proportional to 1,187,756.76, 1,639,033.74 and 704,367.48

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Solution

The fourth proportional to 1,187,756.76, 1,639,033.74 and 704,367.48 is: 971,985.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,756.76 : 1,639,033.74 = 704,367.48 : x
  2. Step 2: Convert to fraction form
    1,187,756.76/1,639,033.74 = 704,367.48/x
  3. Step 3: Cross multiply
    1,187,756.76x = 1,639,033.74 × 704,367.48
  4. Step 4: Simplify right side
    1,187,756.76x = 1,154,482,065,078.78
  5. Step 5: Solve for x
    x = 1,154,482,065,078.78/1,187,756.76
  6. Step 6: Final answer
    x = 971,985.26

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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.