Home / 1,258,846.64-1,889,916.06-747,445.22

Finding the Fourth Proportional to 1,258,846.64, 1,889,916.06 and 747,445.22

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Solution

The fourth proportional to 1,258,846.64, 1,889,916.06 and 747,445.22 is: 1,122,145.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,846.64 : 1,889,916.06 = 747,445.22 : x
  2. Step 2: Convert to fraction form
    1,258,846.64/1,889,916.06 = 747,445.22/x
  3. Step 3: Cross multiply
    1,258,846.64x = 1,889,916.06 × 747,445.22
  4. Step 4: Simplify right side
    1,258,846.64x = 1,412,608,725,248.23
  5. Step 5: Solve for x
    x = 1,412,608,725,248.23/1,258,846.64
  6. Step 6: Final answer
    x = 1,122,145.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.