Home / 1,144,029.12-1,578,760.38-634,730.28

Finding the Fourth Proportional to 1,144,029.12, 1,578,760.38 and 634,730.28

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Solution

The fourth proportional to 1,144,029.12, 1,578,760.38 and 634,730.28 is: 875,927.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144,029.12 : 1,578,760.38 = 634,730.28 : x
  2. Step 2: Convert to fraction form
    1,144,029.12/1,578,760.38 = 634,730.28/x
  3. Step 3: Cross multiply
    1,144,029.12x = 1,578,760.38 × 634,730.28
  4. Step 4: Simplify right side
    1,144,029.12x = 1,002,087,018,050.31
  5. Step 5: Solve for x
    x = 1,002,087,018,050.31/1,144,029.12
  6. Step 6: Final answer
    x = 875,927.89

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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.