Home / 1,342,121-1,852,139.94-738,521.96

Finding the Fourth Proportional to 1,342,121, 1,852,139.94 and 738,521.96

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Solution

The fourth proportional to 1,342,121, 1,852,139.94 and 738,521.96 is: 1,019,167.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,121 : 1,852,139.94 = 738,521.96 : x
  2. Step 2: Convert to fraction form
    1,342,121/1,852,139.94 = 738,521.96/x
  3. Step 3: Cross multiply
    1,342,121x = 1,852,139.94 × 738,521.96
  4. Step 4: Simplify right side
    1,342,121x = 1,367,846,018,683.08
  5. Step 5: Solve for x
    x = 1,367,846,018,683.08/1,342,121
  6. Step 6: Final answer
    x = 1,019,167.44

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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.