Home / 1,326,611.10-1,989,916.65-848,314.20

Finding the Fourth Proportional to 1,326,611.10, 1,989,916.65 and 848,314.20

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Solution

The fourth proportional to 1,326,611.10, 1,989,916.65 and 848,314.20 is: 1,272,471.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,611.10 : 1,989,916.65 = 848,314.20 : x
  2. Step 2: Convert to fraction form
    1,326,611.10/1,989,916.65 = 848,314.20/x
  3. Step 3: Cross multiply
    1,326,611.10x = 1,989,916.65 × 848,314.20
  4. Step 4: Simplify right side
    1,326,611.10x = 1,688,074,551,011.43
  5. Step 5: Solve for x
    x = 1,688,074,551,011.43/1,326,611.10
  6. Step 6: Final answer
    x = 1,272,471.30

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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.