Home / 1,001,071.80-1,381,501.38-571,343.28

Finding the Fourth Proportional to 1,001,071.80, 1,381,501.38 and 571,343.28

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Solution

The fourth proportional to 1,001,071.80, 1,381,501.38 and 571,343.28 is: 788,466.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,071.80 : 1,381,501.38 = 571,343.28 : x
  2. Step 2: Convert to fraction form
    1,001,071.80/1,381,501.38 = 571,343.28/x
  3. Step 3: Cross multiply
    1,001,071.80x = 1,381,501.38 × 571,343.28
  4. Step 4: Simplify right side
    1,001,071.80x = 789,311,529,773.73
  5. Step 5: Solve for x
    x = 789,311,529,773.73/1,001,071.80
  6. Step 6: Final answer
    x = 788,466.45

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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.