Home / 1,071,222.18-1,478,312.15-612,379.44

Finding the Fourth Proportional to 1,071,222.18, 1,478,312.15 and 612,379.44

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Solution

The fourth proportional to 1,071,222.18, 1,478,312.15 and 612,379.44 is: 845,098.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,222.18 : 1,478,312.15 = 612,379.44 : x
  2. Step 2: Convert to fraction form
    1,071,222.18/1,478,312.15 = 612,379.44/x
  3. Step 3: Cross multiply
    1,071,222.18x = 1,478,312.15 × 612,379.44
  4. Step 4: Simplify right side
    1,071,222.18x = 905,287,966,944.93
  5. Step 5: Solve for x
    x = 905,287,966,944.93/1,071,222.18
  6. Step 6: Final answer
    x = 845,098.23

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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.