Home / 1,208,724.70-1,813,087.05-788,475.10

Finding the Fourth Proportional to 1,208,724.70, 1,813,087.05 and 788,475.10

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Solution

The fourth proportional to 1,208,724.70, 1,813,087.05 and 788,475.10 is: 1,182,712.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,724.70 : 1,813,087.05 = 788,475.10 : x
  2. Step 2: Convert to fraction form
    1,208,724.70/1,813,087.05 = 788,475.10/x
  3. Step 3: Cross multiply
    1,208,724.70x = 1,813,087.05 × 788,475.10
  4. Step 4: Simplify right side
    1,208,724.70x = 1,429,573,993,057.46
  5. Step 5: Solve for x
    x = 1,429,573,993,057.46/1,208,724.70
  6. Step 6: Final answer
    x = 1,182,712.65

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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.