Home / 1,318,164.84-1,975,518.72-749,807.28

Finding the Fourth Proportional to 1,318,164.84, 1,975,518.72 and 749,807.28

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Solution

The fourth proportional to 1,318,164.84, 1,975,518.72 and 749,807.28 is: 1,123,727.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,164.84 : 1,975,518.72 = 749,807.28 : x
  2. Step 2: Convert to fraction form
    1,318,164.84/1,975,518.72 = 749,807.28/x
  3. Step 3: Cross multiply
    1,318,164.84x = 1,975,518.72 × 749,807.28
  4. Step 4: Simplify right side
    1,318,164.84x = 1,481,258,318,032.28
  5. Step 5: Solve for x
    x = 1,481,258,318,032.28/1,318,164.84
  6. Step 6: Final answer
    x = 1,123,727.68

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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.