Home / 1,038,218.40-1,554,375.12-800,054.10

Finding the Fourth Proportional to 1,038,218.40, 1,554,375.12 and 800,054.10

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Solution

The fourth proportional to 1,038,218.40, 1,554,375.12 and 800,054.10 is: 1,197,805.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,218.40 : 1,554,375.12 = 800,054.10 : x
  2. Step 2: Convert to fraction form
    1,038,218.40/1,554,375.12 = 800,054.10/x
  3. Step 3: Cross multiply
    1,038,218.40x = 1,554,375.12 × 800,054.10
  4. Step 4: Simplify right side
    1,038,218.40x = 1,243,584,187,693.99
  5. Step 5: Solve for x
    x = 1,243,584,187,693.99/1,038,218.40
  6. Step 6: Final answer
    x = 1,197,805.96

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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.