Home / 1,180,647.09-1,769,475.38-754,018.07

Finding the Fourth Proportional to 1,180,647.09, 1,769,475.38 and 754,018.07

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Solution

The fourth proportional to 1,180,647.09, 1,769,475.38 and 754,018.07 is: 1,130,072.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,647.09 : 1,769,475.38 = 754,018.07 : x
  2. Step 2: Convert to fraction form
    1,180,647.09/1,769,475.38 = 754,018.07/x
  3. Step 3: Cross multiply
    1,180,647.09x = 1,769,475.38 × 754,018.07
  4. Step 4: Simplify right side
    1,180,647.09x = 1,334,216,398,322.65
  5. Step 5: Solve for x
    x = 1,334,216,398,322.65/1,180,647.09
  6. Step 6: Final answer
    x = 1,130,072.15

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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.