Home / 1,207,863.02-1,666,871.52-664,021.46

Finding the Fourth Proportional to 1,207,863.02, 1,666,871.52 and 664,021.46

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Solution

The fourth proportional to 1,207,863.02, 1,666,871.52 and 664,021.46 is: 916,360.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,863.02 : 1,666,871.52 = 664,021.46 : x
  2. Step 2: Convert to fraction form
    1,207,863.02/1,666,871.52 = 664,021.46/x
  3. Step 3: Cross multiply
    1,207,863.02x = 1,666,871.52 × 664,021.46
  4. Step 4: Simplify right side
    1,207,863.02x = 1,106,838,460,342.82
  5. Step 5: Solve for x
    x = 1,106,838,460,342.82/1,207,863.02
  6. Step 6: Final answer
    x = 916,360.91

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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.