Home / 1,145,290.97-1,718,157.89-435,263.65

Finding the Fourth Proportional to 1,145,290.97, 1,718,157.89 and 435,263.65

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Solution

The fourth proportional to 1,145,290.97, 1,718,157.89 and 435,263.65 is: 652,979.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,290.97 : 1,718,157.89 = 435,263.65 : x
  2. Step 2: Convert to fraction form
    1,145,290.97/1,718,157.89 = 435,263.65/x
  3. Step 3: Cross multiply
    1,145,290.97x = 1,718,157.89 × 435,263.65
  4. Step 4: Simplify right side
    1,145,290.97x = 747,851,668,005.99
  5. Step 5: Solve for x
    x = 747,851,668,005.99/1,145,290.97
  6. Step 6: Final answer
    x = 652,979.63

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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.