Home / 1,389,246.31-1,915,322.11-1,001,737.45

Finding the Fourth Proportional to 1,389,246.31, 1,915,322.11 and 1,001,737.45

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Solution

The fourth proportional to 1,389,246.31, 1,915,322.11 and 1,001,737.45 is: 1,381,072.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,246.31 : 1,915,322.11 = 1,001,737.45 : x
  2. Step 2: Convert to fraction form
    1,389,246.31/1,915,322.11 = 1,001,737.45/x
  3. Step 3: Cross multiply
    1,389,246.31x = 1,915,322.11 × 1,001,737.45
  4. Step 4: Simplify right side
    1,389,246.31x = 1,918,649,886,400.02
  5. Step 5: Solve for x
    x = 1,918,649,886,400.02/1,389,246.31
  6. Step 6: Final answer
    x = 1,381,072.51

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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.