Home / 1,464,588.98-2,195,333.40-666,431.03

Finding the Fourth Proportional to 1,464,588.98, 2,195,333.40 and 666,431.03

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Solution

The fourth proportional to 1,464,588.98, 2,195,333.40 and 666,431.03 is: 998,941.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,464,588.98 : 2,195,333.40 = 666,431.03 : x
  2. Step 2: Convert to fraction form
    1,464,588.98/2,195,333.40 = 666,431.03/x
  3. Step 3: Cross multiply
    1,464,588.98x = 2,195,333.40 × 666,431.03
  4. Step 4: Simplify right side
    1,464,588.98x = 1,463,038,287,978.74
  5. Step 5: Solve for x
    x = 1,463,038,287,978.74/1,464,588.98
  6. Step 6: Final answer
    x = 998,941.21

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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.