Home / 1,564,313.64-2,158,752.81-848,921.64

Finding the Fourth Proportional to 1,564,313.64, 2,158,752.81 and 848,921.64

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Solution

The fourth proportional to 1,564,313.64, 2,158,752.81 and 848,921.64 is: 1,171,511.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,564,313.64 : 2,158,752.81 = 848,921.64 : x
  2. Step 2: Convert to fraction form
    1,564,313.64/2,158,752.81 = 848,921.64/x
  3. Step 3: Cross multiply
    1,564,313.64x = 2,158,752.81 × 848,921.64
  4. Step 4: Simplify right side
    1,564,313.64x = 1,832,611,975,819.81
  5. Step 5: Solve for x
    x = 1,832,611,975,819.81/1,564,313.64
  6. Step 6: Final answer
    x = 1,171,511.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.