Home / 1,260,061.92-1,738,927.44-687,133.53

Finding the Fourth Proportional to 1,260,061.92, 1,738,927.44 and 687,133.53

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Solution

The fourth proportional to 1,260,061.92, 1,738,927.44 and 687,133.53 is: 948,267.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,061.92 : 1,738,927.44 = 687,133.53 : x
  2. Step 2: Convert to fraction form
    1,260,061.92/1,738,927.44 = 687,133.53/x
  3. Step 3: Cross multiply
    1,260,061.92x = 1,738,927.44 × 687,133.53
  4. Step 4: Simplify right side
    1,260,061.92x = 1,194,875,350,261.06
  5. Step 5: Solve for x
    x = 1,194,875,350,261.06/1,260,061.92
  6. Step 6: Final answer
    x = 948,267.17

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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.