Home / 1,564,781.83-2,347,172.78-854,422.36

Finding the Fourth Proportional to 1,564,781.83, 2,347,172.78 and 854,422.36

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Solution

The fourth proportional to 1,564,781.83, 2,347,172.78 and 854,422.36 is: 1,281,633.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,564,781.83 : 2,347,172.78 = 854,422.36 : x
  2. Step 2: Convert to fraction form
    1,564,781.83/2,347,172.78 = 854,422.36/x
  3. Step 3: Cross multiply
    1,564,781.83x = 2,347,172.78 × 854,422.36
  4. Step 4: Simplify right side
    1,564,781.83x = 2,005,476,895,875.32
  5. Step 5: Solve for x
    x = 2,005,476,895,875.32/1,564,781.83
  6. Step 6: Final answer
    x = 1,281,633.55

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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.