Home / 1,117,984.80-1,675,008.90-917,218.20

Finding the Fourth Proportional to 1,117,984.80, 1,675,008.90 and 917,218.20

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Solution

The fourth proportional to 1,117,984.80, 1,675,008.90 and 917,218.20 is: 1,374,212.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,984.80 : 1,675,008.90 = 917,218.20 : x
  2. Step 2: Convert to fraction form
    1,117,984.80/1,675,008.90 = 917,218.20/x
  3. Step 3: Cross multiply
    1,117,984.80x = 1,675,008.90 × 917,218.20
  4. Step 4: Simplify right side
    1,117,984.80x = 1,536,348,648,241.98
  5. Step 5: Solve for x
    x = 1,536,348,648,241.98/1,117,984.80
  6. Step 6: Final answer
    x = 1,374,212.47

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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.