Home / 1,218,717.02-1,681,828.44-674,852.81

Finding the Fourth Proportional to 1,218,717.02, 1,681,828.44 and 674,852.81

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Solution

The fourth proportional to 1,218,717.02, 1,681,828.44 and 674,852.81 is: 931,296.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,717.02 : 1,681,828.44 = 674,852.81 : x
  2. Step 2: Convert to fraction form
    1,218,717.02/1,681,828.44 = 674,852.81/x
  3. Step 3: Cross multiply
    1,218,717.02x = 1,681,828.44 × 674,852.81
  4. Step 4: Simplify right side
    1,218,717.02x = 1,134,986,640,262.77
  5. Step 5: Solve for x
    x = 1,134,986,640,262.77/1,218,717.02
  6. Step 6: Final answer
    x = 931,296.29

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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.