Home / 1,144,023.12-1,578,752.10-634,724.28

Finding the Fourth Proportional to 1,144,023.12, 1,578,752.10 and 634,724.28

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Solution

The fourth proportional to 1,144,023.12, 1,578,752.10 and 634,724.28 is: 875,919.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144,023.12 : 1,578,752.10 = 634,724.28 : x
  2. Step 2: Convert to fraction form
    1,144,023.12/1,578,752.10 = 634,724.28/x
  3. Step 3: Cross multiply
    1,144,023.12x = 1,578,752.10 × 634,724.28
  4. Step 4: Simplify right side
    1,144,023.12x = 1,002,072,289,970.99
  5. Step 5: Solve for x
    x = 1,002,072,289,970.99/1,144,023.12
  6. Step 6: Final answer
    x = 875,919.61

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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.