Home / 1,564,113.39-2,158,468.88-848,721.39

Finding the Fourth Proportional to 1,564,113.39, 2,158,468.88 and 848,721.39

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Solution

The fourth proportional to 1,564,113.39, 2,158,468.88 and 848,721.39 is: 1,171,231.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,564,113.39 : 2,158,468.88 = 848,721.39 : x
  2. Step 2: Convert to fraction form
    1,564,113.39/2,158,468.88 = 848,721.39/x
  3. Step 3: Cross multiply
    1,564,113.39x = 2,158,468.88 × 848,721.39
  4. Step 4: Simplify right side
    1,564,113.39x = 1,831,938,703,861.74
  5. Step 5: Solve for x
    x = 1,831,938,703,861.74/1,564,113.39
  6. Step 6: Final answer
    x = 1,171,231.39

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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.