Home / 1,008,411.68-1,391,601.48-555,703.04

Finding the Fourth Proportional to 1,008,411.68, 1,391,601.48 and 555,703.04

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Solution

The fourth proportional to 1,008,411.68, 1,391,601.48 and 555,703.04 is: 766,866.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,411.68 : 1,391,601.48 = 555,703.04 : x
  2. Step 2: Convert to fraction form
    1,008,411.68/1,391,601.48 = 555,703.04/x
  3. Step 3: Cross multiply
    1,008,411.68x = 1,391,601.48 × 555,703.04
  4. Step 4: Simplify right side
    1,008,411.68x = 773,317,172,904.50
  5. Step 5: Solve for x
    x = 773,317,172,904.50/1,008,411.68
  6. Step 6: Final answer
    x = 766,866.54

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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.