Home / 1,450,369.29-2,001,392.28-838,561.30

Finding the Fourth Proportional to 1,450,369.29, 2,001,392.28 and 838,561.30

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Solution

The fourth proportional to 1,450,369.29, 2,001,392.28 and 838,561.30 is: 1,157,146.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450,369.29 : 2,001,392.28 = 838,561.30 : x
  2. Step 2: Convert to fraction form
    1,450,369.29/2,001,392.28 = 838,561.30/x
  3. Step 3: Cross multiply
    1,450,369.29x = 2,001,392.28 × 838,561.30
  4. Step 4: Simplify right side
    1,450,369.29x = 1,678,290,112,126.76
  5. Step 5: Solve for x
    x = 1,678,290,112,126.76/1,450,369.29
  6. Step 6: Final answer
    x = 1,157,146.75

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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.