Home / 1,182,315.20-1,631,010.36-698,646.32

Finding the Fourth Proportional to 1,182,315.20, 1,631,010.36 and 698,646.32

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Solution

The fourth proportional to 1,182,315.20, 1,631,010.36 and 698,646.32 is: 963,786.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,315.20 : 1,631,010.36 = 698,646.32 : x
  2. Step 2: Convert to fraction form
    1,182,315.20/1,631,010.36 = 698,646.32/x
  3. Step 3: Cross multiply
    1,182,315.20x = 1,631,010.36 × 698,646.32
  4. Step 4: Simplify right side
    1,182,315.20x = 1,139,499,385,895.88
  5. Step 5: Solve for x
    x = 1,139,499,385,895.88/1,182,315.20
  6. Step 6: Final answer
    x = 963,786.46

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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.