Home / 1,308,645.90-1,805,934.33-735,690.78

Finding the Fourth Proportional to 1,308,645.90, 1,805,934.33 and 735,690.78

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Solution

The fourth proportional to 1,308,645.90, 1,805,934.33 and 735,690.78 is: 1,015,254.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,645.90 : 1,805,934.33 = 735,690.78 : x
  2. Step 2: Convert to fraction form
    1,308,645.90/1,805,934.33 = 735,690.78/x
  3. Step 3: Cross multiply
    1,308,645.90x = 1,805,934.33 × 735,690.78
  4. Step 4: Simplify right side
    1,308,645.90x = 1,328,609,235,866.48
  5. Step 5: Solve for x
    x = 1,328,609,235,866.48/1,308,645.90
  6. Step 6: Final answer
    x = 1,015,254.96

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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.