Home / 1,053,871.08-1,578,412.36-824,738.72

Finding the Fourth Proportional to 1,053,871.08, 1,578,412.36 and 824,738.72

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Solution

The fourth proportional to 1,053,871.08, 1,578,412.36 and 824,738.72 is: 1,235,234.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,871.08 : 1,578,412.36 = 824,738.72 : x
  2. Step 2: Convert to fraction form
    1,053,871.08/1,578,412.36 = 824,738.72/x
  3. Step 3: Cross multiply
    1,053,871.08x = 1,578,412.36 × 824,738.72
  4. Step 4: Simplify right side
    1,053,871.08x = 1,301,777,788,476.49
  5. Step 5: Solve for x
    x = 1,301,777,788,476.49/1,053,871.08
  6. Step 6: Final answer
    x = 1,235,234.38

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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.