Home / 1,176,790.91-1,623,841.51-660,426.36

Finding the Fourth Proportional to 1,176,790.91, 1,623,841.51 and 660,426.36

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Solution

The fourth proportional to 1,176,790.91, 1,623,841.51 and 660,426.36 is: 911,315.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176,790.91 : 1,623,841.51 = 660,426.36 : x
  2. Step 2: Convert to fraction form
    1,176,790.91/1,623,841.51 = 660,426.36/x
  3. Step 3: Cross multiply
    1,176,790.91x = 1,623,841.51 × 660,426.36
  4. Step 4: Simplify right side
    1,176,790.91x = 1,072,427,744,865.19
  5. Step 5: Solve for x
    x = 1,072,427,744,865.19/1,176,790.91
  6. Step 6: Final answer
    x = 911,315.46

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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.