Home / 1,374,513.12-1,896,922.80-770,940

Finding the Fourth Proportional to 1,374,513.12, 1,896,922.80 and 770,940

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Solution

The fourth proportional to 1,374,513.12, 1,896,922.80 and 770,940 is: 1,063,950.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,513.12 : 1,896,922.80 = 770,940 : x
  2. Step 2: Convert to fraction form
    1,374,513.12/1,896,922.80 = 770,940/x
  3. Step 3: Cross multiply
    1,374,513.12x = 1,896,922.80 × 770,940
  4. Step 4: Simplify right side
    1,374,513.12x = 1,462,413,663,432
  5. Step 5: Solve for x
    x = 1,462,413,663,432/1,374,513.12
  6. Step 6: Final answer
    x = 1,063,950.31

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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.