Home / 1,151,487.74-1,728,728.31-885,435.08

Finding the Fourth Proportional to 1,151,487.74, 1,728,728.31 and 885,435.08

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Solution

The fourth proportional to 1,151,487.74, 1,728,728.31 and 885,435.08 is: 1,329,303.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,487.74 : 1,728,728.31 = 885,435.08 : x
  2. Step 2: Convert to fraction form
    1,151,487.74/1,728,728.31 = 885,435.08/x
  3. Step 3: Cross multiply
    1,151,487.74x = 1,728,728.31 × 885,435.08
  4. Step 4: Simplify right side
    1,151,487.74x = 1,530,676,689,463.11
  5. Step 5: Solve for x
    x = 1,530,676,689,463.11/1,151,487.74
  6. Step 6: Final answer
    x = 1,329,303.51

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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.