Home / 1,026,441.80-1,539,662.70-921,465.80

Finding the Fourth Proportional to 1,026,441.80, 1,539,662.70 and 921,465.80

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Solution

The fourth proportional to 1,026,441.80, 1,539,662.70 and 921,465.80 is: 1,382,198.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,441.80 : 1,539,662.70 = 921,465.80 : x
  2. Step 2: Convert to fraction form
    1,026,441.80/1,539,662.70 = 921,465.80/x
  3. Step 3: Cross multiply
    1,026,441.80x = 1,539,662.70 × 921,465.80
  4. Step 4: Simplify right side
    1,026,441.80x = 1,418,746,521,585.66
  5. Step 5: Solve for x
    x = 1,418,746,521,585.66/1,026,441.80
  6. Step 6: Final answer
    x = 1,382,198.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.