Home / 1,152,935.70-1,729,403.55-1,087,617.30

Finding the Fourth Proportional to 1,152,935.70, 1,729,403.55 and 1,087,617.30

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Solution

The fourth proportional to 1,152,935.70, 1,729,403.55 and 1,087,617.30 is: 1,631,425.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,935.70 : 1,729,403.55 = 1,087,617.30 : x
  2. Step 2: Convert to fraction form
    1,152,935.70/1,729,403.55 = 1,087,617.30/x
  3. Step 3: Cross multiply
    1,152,935.70x = 1,729,403.55 × 1,087,617.30
  4. Step 4: Simplify right side
    1,152,935.70x = 1,880,929,219,661.42
  5. Step 5: Solve for x
    x = 1,880,929,219,661.42/1,152,935.70
  6. Step 6: Final answer
    x = 1,631,425.95

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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.