Home / 1,118,270.72-1,674,882.48-517,970.90

Finding the Fourth Proportional to 1,118,270.72, 1,674,882.48 and 517,970.90

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Solution

The fourth proportional to 1,118,270.72, 1,674,882.48 and 517,970.90 is: 775,787.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,270.72 : 1,674,882.48 = 517,970.90 : x
  2. Step 2: Convert to fraction form
    1,118,270.72/1,674,882.48 = 517,970.90/x
  3. Step 3: Cross multiply
    1,118,270.72x = 1,674,882.48 × 517,970.90
  4. Step 4: Simplify right side
    1,118,270.72x = 867,540,385,559.83
  5. Step 5: Solve for x
    x = 867,540,385,559.83/1,118,270.72
  6. Step 6: Final answer
    x = 775,787.45

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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.