Home / 1,207,866.32-1,666,876.72-664,024.96

Finding the Fourth Proportional to 1,207,866.32, 1,666,876.72 and 664,024.96

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Solution

The fourth proportional to 1,207,866.32, 1,666,876.72 and 664,024.96 is: 916,366.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,866.32 : 1,666,876.72 = 664,024.96 : x
  2. Step 2: Convert to fraction form
    1,207,866.32/1,666,876.72 = 664,024.96/x
  3. Step 3: Cross multiply
    1,207,866.32x = 1,666,876.72 × 664,024.96
  4. Step 4: Simplify right side
    1,207,866.32x = 1,106,847,747,322.93
  5. Step 5: Solve for x
    x = 1,106,847,747,322.93/1,207,866.32
  6. Step 6: Final answer
    x = 916,366.10

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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.