Home / 1,208,872.96-1,812,613.95-723,040.36

Finding the Fourth Proportional to 1,208,872.96, 1,812,613.95 and 723,040.36

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Solution

The fourth proportional to 1,208,872.96, 1,812,613.95 and 723,040.36 is: 1,084,144.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,872.96 : 1,812,613.95 = 723,040.36 : x
  2. Step 2: Convert to fraction form
    1,208,872.96/1,812,613.95 = 723,040.36/x
  3. Step 3: Cross multiply
    1,208,872.96x = 1,812,613.95 × 723,040.36
  4. Step 4: Simplify right side
    1,208,872.96x = 1,310,593,038,417.49
  5. Step 5: Solve for x
    x = 1,310,593,038,417.49/1,208,872.96
  6. Step 6: Final answer
    x = 1,084,144.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.