Home / 1,888,687-2,606,312.16-1,029,228.80

Finding the Fourth Proportional to 1,888,687, 2,606,312.16 and 1,029,228.80

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Solution

The fourth proportional to 1,888,687, 2,606,312.16 and 1,029,228.80 is: 1,420,294.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888,687 : 2,606,312.16 = 1,029,228.80 : x
  2. Step 2: Convert to fraction form
    1,888,687/2,606,312.16 = 1,029,228.80/x
  3. Step 3: Cross multiply
    1,888,687x = 2,606,312.16 × 1,029,228.80
  4. Step 4: Simplify right side
    1,888,687x = 2,682,491,536,862.21
  5. Step 5: Solve for x
    x = 2,682,491,536,862.21/1,888,687
  6. Step 6: Final answer
    x = 1,420,294.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.