Home / 1,661,642.26-2,492,909.70-524,448.43

Finding the Fourth Proportional to 1,661,642.26, 2,492,909.70 and 524,448.43

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Solution

The fourth proportional to 1,661,642.26, 2,492,909.70 and 524,448.43 is: 786,813.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,642.26 : 2,492,909.70 = 524,448.43 : x
  2. Step 2: Convert to fraction form
    1,661,642.26/2,492,909.70 = 524,448.43/x
  3. Step 3: Cross multiply
    1,661,642.26x = 2,492,909.70 × 524,448.43
  4. Step 4: Simplify right side
    1,661,642.26x = 1,307,402,578,296.77
  5. Step 5: Solve for x
    x = 1,307,402,578,296.77/1,661,642.26
  6. Step 6: Final answer
    x = 786,813.51

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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.