Home / 1,008,383.50-1,391,598.93-555,703.66

Finding the Fourth Proportional to 1,008,383.50, 1,391,598.93 and 555,703.66

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Solution

The fourth proportional to 1,008,383.50, 1,391,598.93 and 555,703.66 is: 766,887.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,383.50 : 1,391,598.93 = 555,703.66 : x
  2. Step 2: Convert to fraction form
    1,008,383.50/1,391,598.93 = 555,703.66/x
  3. Step 3: Cross multiply
    1,008,383.50x = 1,391,598.93 × 555,703.66
  4. Step 4: Simplify right side
    1,008,383.50x = 773,316,618,653.08
  5. Step 5: Solve for x
    x = 773,316,618,653.08/1,008,383.50
  6. Step 6: Final answer
    x = 766,887.42

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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.