Home / 1,053,943.90-1,579,947.12-379,860.23

Finding the Fourth Proportional to 1,053,943.90, 1,579,947.12 and 379,860.23

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Solution

The fourth proportional to 1,053,943.90, 1,579,947.12 and 379,860.23 is: 569,441.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,943.90 : 1,579,947.12 = 379,860.23 : x
  2. Step 2: Convert to fraction form
    1,053,943.90/1,579,947.12 = 379,860.23/x
  3. Step 3: Cross multiply
    1,053,943.90x = 1,579,947.12 × 379,860.23
  4. Step 4: Simplify right side
    1,053,943.90x = 600,159,080,340.91
  5. Step 5: Solve for x
    x = 600,159,080,340.91/1,053,943.90
  6. Step 6: Final answer
    x = 569,441.20

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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.