Home / 1,258,598.22-1,889,543.79-747,196.98

Finding the Fourth Proportional to 1,258,598.22, 1,889,543.79 and 747,196.98

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Solution

The fourth proportional to 1,258,598.22, 1,889,543.79 and 747,196.98 is: 1,121,772.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,598.22 : 1,889,543.79 = 747,196.98 : x
  2. Step 2: Convert to fraction form
    1,258,598.22/1,889,543.79 = 747,196.98/x
  3. Step 3: Cross multiply
    1,258,598.22x = 1,889,543.79 × 747,196.98
  4. Step 4: Simplify right side
    1,258,598.22x = 1,411,861,413,465.75
  5. Step 5: Solve for x
    x = 1,411,861,413,465.75/1,258,598.22
  6. Step 6: Final answer
    x = 1,121,772.93

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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.