Home / 1,020,144.12-1,407,779.82-697,843.32

Finding the Fourth Proportional to 1,020,144.12, 1,407,779.82 and 697,843.32

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Solution

The fourth proportional to 1,020,144.12, 1,407,779.82 and 697,843.32 is: 963,010.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,144.12 : 1,407,779.82 = 697,843.32 : x
  2. Step 2: Convert to fraction form
    1,020,144.12/1,407,779.82 = 697,843.32/x
  3. Step 3: Cross multiply
    1,020,144.12x = 1,407,779.82 × 697,843.32
  4. Step 4: Simplify right side
    1,020,144.12x = 982,409,743,417.80
  5. Step 5: Solve for x
    x = 982,409,743,417.80/1,020,144.12
  6. Step 6: Final answer
    x = 963,010.74

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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.