Home / 1,578,649.20-2,366,875.44-679,821.36

Finding the Fourth Proportional to 1,578,649.20, 2,366,875.44 and 679,821.36

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Solution

The fourth proportional to 1,578,649.20, 2,366,875.44 and 679,821.36 is: 1,019,259.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,578,649.20 : 2,366,875.44 = 679,821.36 : x
  2. Step 2: Convert to fraction form
    1,578,649.20/2,366,875.44 = 679,821.36/x
  3. Step 3: Cross multiply
    1,578,649.20x = 2,366,875.44 × 679,821.36
  4. Step 4: Simplify right side
    1,578,649.20x = 1,609,052,480,571.40
  5. Step 5: Solve for x
    x = 1,609,052,480,571.40/1,578,649.20
  6. Step 6: Final answer
    x = 1,019,259.05

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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.