Home / 1,029,320.70-1,419,984.63-666,866.94

Finding the Fourth Proportional to 1,029,320.70, 1,419,984.63 and 666,866.94

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Solution

The fourth proportional to 1,029,320.70, 1,419,984.63 and 666,866.94 is: 919,966.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,320.70 : 1,419,984.63 = 666,866.94 : x
  2. Step 2: Convert to fraction form
    1,029,320.70/1,419,984.63 = 666,866.94/x
  3. Step 3: Cross multiply
    1,029,320.70x = 1,419,984.63 × 666,866.94
  4. Step 4: Simplify right side
    1,029,320.70x = 946,940,805,055.13
  5. Step 5: Solve for x
    x = 946,940,805,055.13/1,029,320.70
  6. Step 6: Final answer
    x = 919,966.74

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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.