Home / 1,087,941.70-1,500,734.07-679,334.14

Finding the Fourth Proportional to 1,087,941.70, 1,500,734.07 and 679,334.14

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Solution

The fourth proportional to 1,087,941.70, 1,500,734.07 and 679,334.14 is: 937,090.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,941.70 : 1,500,734.07 = 679,334.14 : x
  2. Step 2: Convert to fraction form
    1,087,941.70/1,500,734.07 = 679,334.14/x
  3. Step 3: Cross multiply
    1,087,941.70x = 1,500,734.07 × 679,334.14
  4. Step 4: Simplify right side
    1,087,941.70x = 1,019,499,888,812.15
  5. Step 5: Solve for x
    x = 1,019,499,888,812.15/1,087,941.70
  6. Step 6: Final answer
    x = 937,090.55

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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.