Home / 1,758,814.71-2,638,326.63-679,335.43

Finding the Fourth Proportional to 1,758,814.71, 2,638,326.63 and 679,335.43

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Solution

The fourth proportional to 1,758,814.71, 2,638,326.63 and 679,335.43 is: 1,019,043.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,758,814.71 : 2,638,326.63 = 679,335.43 : x
  2. Step 2: Convert to fraction form
    1,758,814.71/2,638,326.63 = 679,335.43/x
  3. Step 3: Cross multiply
    1,758,814.71x = 2,638,326.63 × 679,335.43
  4. Step 4: Simplify right side
    1,758,814.71x = 1,792,308,746,528.18
  5. Step 5: Solve for x
    x = 1,792,308,746,528.18/1,758,814.71
  6. Step 6: Final answer
    x = 1,019,043.53

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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.