Home / 1,205,318.52-1,807,985.07-406,607.90

Finding the Fourth Proportional to 1,205,318.52, 1,807,985.07 and 406,607.90

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Solution

The fourth proportional to 1,205,318.52, 1,807,985.07 and 406,607.90 is: 609,914.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,318.52 : 1,807,985.07 = 406,607.90 : x
  2. Step 2: Convert to fraction form
    1,205,318.52/1,807,985.07 = 406,607.90/x
  3. Step 3: Cross multiply
    1,205,318.52x = 1,807,985.07 × 406,607.90
  4. Step 4: Simplify right side
    1,205,318.52x = 735,141,003,504.13
  5. Step 5: Solve for x
    x = 735,141,003,504.13/1,205,318.52
  6. Step 6: Final answer
    x = 609,914.30

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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.