Home / 1,029,993.53-1,421,365.61-571,109.90

Finding the Fourth Proportional to 1,029,993.53, 1,421,365.61 and 571,109.90

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Solution

The fourth proportional to 1,029,993.53, 1,421,365.61 and 571,109.90 is: 788,117.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,993.53 : 1,421,365.61 = 571,109.90 : x
  2. Step 2: Convert to fraction form
    1,029,993.53/1,421,365.61 = 571,109.90/x
  3. Step 3: Cross multiply
    1,029,993.53x = 1,421,365.61 × 571,109.90
  4. Step 4: Simplify right side
    1,029,993.53x = 811,755,968,534.99
  5. Step 5: Solve for x
    x = 811,755,968,534.99/1,029,993.53
  6. Step 6: Final answer
    x = 788,117.54

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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.