Home / 1,351,325.57-1,864,829.47-739,478.48

Finding the Fourth Proportional to 1,351,325.57, 1,864,829.47 and 739,478.48

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Solution

The fourth proportional to 1,351,325.57, 1,864,829.47 and 739,478.48 is: 1,020,480.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351,325.57 : 1,864,829.47 = 739,478.48 : x
  2. Step 2: Convert to fraction form
    1,351,325.57/1,864,829.47 = 739,478.48/x
  3. Step 3: Cross multiply
    1,351,325.57x = 1,864,829.47 × 739,478.48
  4. Step 4: Simplify right side
    1,351,325.57x = 1,379,001,250,761.96
  5. Step 5: Solve for x
    x = 1,379,001,250,761.96/1,351,325.57
  6. Step 6: Final answer
    x = 1,020,480.40

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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.