Home / 1,564,540.92-2,158,991.82-960,812.28

Finding the Fourth Proportional to 1,564,540.92, 2,158,991.82 and 960,812.28

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Solution

The fourth proportional to 1,564,540.92, 2,158,991.82 and 960,812.28 is: 1,325,875.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,564,540.92 : 2,158,991.82 = 960,812.28 : x
  2. Step 2: Convert to fraction form
    1,564,540.92/2,158,991.82 = 960,812.28/x
  3. Step 3: Cross multiply
    1,564,540.92x = 2,158,991.82 × 960,812.28
  4. Step 4: Simplify right side
    1,564,540.92x = 2,074,385,853,075.55
  5. Step 5: Solve for x
    x = 2,074,385,853,075.55/1,564,540.92
  6. Step 6: Final answer
    x = 1,325,875.10

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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.