Home / 1,353,128.64-2,029,681.44-406,495.68

Finding the Fourth Proportional to 1,353,128.64, 2,029,681.44 and 406,495.68

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Solution

The fourth proportional to 1,353,128.64, 2,029,681.44 and 406,495.68 is: 609,740.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,128.64 : 2,029,681.44 = 406,495.68 : x
  2. Step 2: Convert to fraction form
    1,353,128.64/2,029,681.44 = 406,495.68/x
  3. Step 3: Cross multiply
    1,353,128.64x = 2,029,681.44 × 406,495.68
  4. Step 4: Simplify right side
    1,353,128.64x = 825,056,737,136.18
  5. Step 5: Solve for x
    x = 825,056,737,136.18/1,353,128.64
  6. Step 6: Final answer
    x = 609,740.06

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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.