Home / 1,008,410.68-1,391,600.10-555,702.04

Finding the Fourth Proportional to 1,008,410.68, 1,391,600.10 and 555,702.04

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Solution

The fourth proportional to 1,008,410.68, 1,391,600.10 and 555,702.04 is: 766,865.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,410.68 : 1,391,600.10 = 555,702.04 : x
  2. Step 2: Convert to fraction form
    1,008,410.68/1,391,600.10 = 555,702.04/x
  3. Step 3: Cross multiply
    1,008,410.68x = 1,391,600.10 × 555,702.04
  4. Step 4: Simplify right side
    1,008,410.68x = 773,315,014,434.20
  5. Step 5: Solve for x
    x = 773,315,014,434.20/1,008,410.68
  6. Step 6: Final answer
    x = 766,865.16

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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.