Home / 1,298,887.30-1,948,035.70-624,621.53

Finding the Fourth Proportional to 1,298,887.30, 1,948,035.70 and 624,621.53

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Solution

The fourth proportional to 1,298,887.30, 1,948,035.70 and 624,621.53 is: 936,790.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,887.30 : 1,948,035.70 = 624,621.53 : x
  2. Step 2: Convert to fraction form
    1,298,887.30/1,948,035.70 = 624,621.53/x
  3. Step 3: Cross multiply
    1,298,887.30x = 1,948,035.70 × 624,621.53
  4. Step 4: Simplify right side
    1,298,887.30x = 1,216,785,039,428.62
  5. Step 5: Solve for x
    x = 1,216,785,039,428.62/1,298,887.30
  6. Step 6: Final answer
    x = 936,790.31

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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.