Home / 1,019,261.50-1,406,581.78-560,383.88

Finding the Fourth Proportional to 1,019,261.50, 1,406,581.78 and 560,383.88

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Solution

The fourth proportional to 1,019,261.50, 1,406,581.78 and 560,383.88 is: 773,330.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,261.50 : 1,406,581.78 = 560,383.88 : x
  2. Step 2: Convert to fraction form
    1,019,261.50/1,406,581.78 = 560,383.88/x
  3. Step 3: Cross multiply
    1,019,261.50x = 1,406,581.78 × 560,383.88
  4. Step 4: Simplify right side
    1,019,261.50x = 788,225,755,413.71
  5. Step 5: Solve for x
    x = 788,225,755,413.71/1,019,261.50
  6. Step 6: Final answer
    x = 773,330.25

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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.