Home / 1,123,312.70-1,684,969.05-493,456.70

Finding the Fourth Proportional to 1,123,312.70, 1,684,969.05 and 493,456.70

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Solution

The fourth proportional to 1,123,312.70, 1,684,969.05 and 493,456.70 is: 740,185.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,312.70 : 1,684,969.05 = 493,456.70 : x
  2. Step 2: Convert to fraction form
    1,123,312.70/1,684,969.05 = 493,456.70/x
  3. Step 3: Cross multiply
    1,123,312.70x = 1,684,969.05 × 493,456.70
  4. Step 4: Simplify right side
    1,123,312.70x = 831,459,267,015.14
  5. Step 5: Solve for x
    x = 831,459,267,015.14/1,123,312.70
  6. Step 6: Final answer
    x = 740,185.05

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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.