Home / 1,195,400.79-1,649,653.70-679,155.57

Finding the Fourth Proportional to 1,195,400.79, 1,649,653.70 and 679,155.57

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Solution

The fourth proportional to 1,195,400.79, 1,649,653.70 and 679,155.57 is: 937,235.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195,400.79 : 1,649,653.70 = 679,155.57 : x
  2. Step 2: Convert to fraction form
    1,195,400.79/1,649,653.70 = 679,155.57/x
  3. Step 3: Cross multiply
    1,195,400.79x = 1,649,653.70 × 679,155.57
  4. Step 4: Simplify right side
    1,195,400.79x = 1,120,371,495,530.33
  5. Step 5: Solve for x
    x = 1,120,371,495,530.33/1,195,400.79
  6. Step 6: Final answer
    x = 937,235.03

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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.