Home / 1,780,383.71-2,670,578.64-432,547.23

Finding the Fourth Proportional to 1,780,383.71, 2,670,578.64 and 432,547.23

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Solution

The fourth proportional to 1,780,383.71, 2,670,578.64 and 432,547.23 is: 648,821.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,383.71 : 2,670,578.64 = 432,547.23 : x
  2. Step 2: Convert to fraction form
    1,780,383.71/2,670,578.64 = 432,547.23/x
  3. Step 3: Cross multiply
    1,780,383.71x = 2,670,578.64 × 432,547.23
  4. Step 4: Simplify right side
    1,780,383.71x = 1,155,151,393,229.17
  5. Step 5: Solve for x
    x = 1,155,151,393,229.17/1,780,383.71
  6. Step 6: Final answer
    x = 648,821.59

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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.