Home / 1,825,689.36-2,519,257.50-1,009,763.40

Finding the Fourth Proportional to 1,825,689.36, 2,519,257.50 and 1,009,763.40

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Solution

The fourth proportional to 1,825,689.36, 2,519,257.50 and 1,009,763.40 is: 1,393,366.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,825,689.36 : 2,519,257.50 = 1,009,763.40 : x
  2. Step 2: Convert to fraction form
    1,825,689.36/2,519,257.50 = 1,009,763.40/x
  3. Step 3: Cross multiply
    1,825,689.36x = 2,519,257.50 × 1,009,763.40
  4. Step 4: Simplify right side
    1,825,689.36x = 2,543,854,018,675.50
  5. Step 5: Solve for x
    x = 2,543,854,018,675.50/1,825,689.36
  6. Step 6: Final answer
    x = 1,393,366.29

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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.