Home / 1,260,237.28-1,738,144.48-807,570.40

Finding the Fourth Proportional to 1,260,237.28, 1,738,144.48 and 807,570.40

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Solution

The fourth proportional to 1,260,237.28, 1,738,144.48 and 807,570.40 is: 1,113,817.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,237.28 : 1,738,144.48 = 807,570.40 : x
  2. Step 2: Convert to fraction form
    1,260,237.28/1,738,144.48 = 807,570.40/x
  3. Step 3: Cross multiply
    1,260,237.28x = 1,738,144.48 × 807,570.40
  4. Step 4: Simplify right side
    1,260,237.28x = 1,403,674,032,971.39
  5. Step 5: Solve for x
    x = 1,403,674,032,971.39/1,260,237.28
  6. Step 6: Final answer
    x = 1,113,817.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.